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Added libcommon as a submodule

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This commit is contained in:
Kayne Ruse
2015-08-18 03:50:53 +10:00
parent 0ad3b6cdcd
commit 13fbedb87c
25 changed files with 5 additions and 1897 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.gitmodules
+3
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@@ -0,0 +1,3 @@
[submodule "common"]
path = common
url = https://github.com/Ratstail91/Tortuga.git
common
Submodule
+1
Submodule common added at 68eddcfcbb
makefile
+1
View File
@@ -16,6 +16,7 @@ else ifeq ($(shell uname), Linux)
find . -type f -name '*.o' -exec rm -f -r -v {} \; find . -type f -name '*.o' -exec rm -f -r -v {} \;
find . -type f -name '*.a' -exec rm -f -r -v {} \; find . -type f -name '*.a' -exec rm -f -r -v {} \;
rm -f -v $(OUT) rm -f -v $(OUT)
find . -empty -type d -delete
endif endif
rebuild: clean all rebuild: clean all
src/common/button.cpp
-170
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@@ -1,170 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "button.hpp"
#include <stdexcept>
void Button::DrawTo(SDL_Renderer* renderer) {
image.SetClipY(image.GetClipH() * state);
image.DrawTo(renderer, posX, posY);
}
void Button::SetBackgroundTexture(SDL_Renderer* renderer, SDL_Texture* texture) {
//copy the given texture
image.Free();
//a null texture can simply free the image
if (!texture) {
return;
}
//get the w & h, & create
int w = 0, h = 0;
SDL_QueryTexture(texture, nullptr, nullptr, &w, &h);
image.Create(renderer, w, h);
//copy
SDL_SetRenderTarget(renderer, image.GetTexture());
SDL_RenderCopy(renderer, texture, nullptr, nullptr);
SDL_SetRenderTarget(renderer, nullptr);
//prune
image.SetClipH(image.GetClipH() / 3);
}
void Button::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string s, SDL_Color color) {
//make the surface (from SDL_ttf)
SDL_Surface* surf = TTF_RenderText_Solid(font, s.c_str(), color);
if (!surf) {
throw(std::runtime_error("Failed to create a TTF surface"));
}
//convert to texture
SDL_Texture* text = SDL_CreateTextureFromSurface(renderer, surf);
SDL_FreeSurface(surf);
if (!text) {
throw(std::runtime_error("Failed to create a TTF texture"));
}
//get the dimensions & rects
int x, y, w, h;
SDL_QueryTexture(text, nullptr, nullptr, &w, &h);
x = (image.GetClipW() - w) / 2;
y = (image.GetClipH() - h) / 2;
SDL_Rect src = {0, 0, w, h};
SDL_Rect dst;
//draw the text to the background
SDL_SetRenderTarget(renderer, image.GetTexture());
for (int i = 0; i < 3; i++) {
dst = {x, y + image.GetClipH() * i, w, h};
SDL_RenderCopy(renderer, text, &src, &dst);
}
SDL_SetRenderTarget(renderer, nullptr);
//free the texture
SDL_DestroyTexture(text);
//DEBUG: testing
// image.SetClipH(image.GetClipH() * 3);
}
void Button::SetX(int x) {
posX = x;
}
void Button::SetY(int y) {
posY = y;
}
Button::State Button::MouseMotion(SDL_MouseMotionEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
//if in bounds, check button
if (event.state & SDL_BUTTON_LMASK && state == State::PRESSED) {
//stay pressed
// state = State::PRESSED;
}
else {
state = State::HOVER;
}
return state;
}
Button::State Button::MouseButtonDown(SDL_MouseButtonEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
//if in bounds, check button
if (event.button == SDL_BUTTON_LEFT) {
return state = State::PRESSED;
}
//NOTE: if not left button down, ignore
return State::HOVER;
}
Button::State Button::MouseButtonUp(SDL_MouseButtonEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
//if not left button up, ignore
if (event.button != SDL_BUTTON_LEFT) {
return state;
}
//if in bounds and left button up, send release signal
if (state == State::PRESSED) {
state = State::HOVER;
return State::RELEASED;
}
return state;
}
void Button::SetState(State s) {
state = s;
}
Button::State Button::GetState() {
return state;
}
bool Button::CheckBounds(int x, int y) {
//return if true (x, y) is within bounds, otherwise return false
return !(
x < posX ||
y < posY ||
x > posX + image.GetClipW() ||
y > posY + image.GetClipH()
);
}
src/common/button.hpp
-63
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@@ -1,63 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "image.hpp"
#include "SDL2/SDL_ttf.h"
#include <string>
class Button {
public:
enum State {
IDLE = 0, HOVER = 1, PRESSED = 2, RELEASED = 3
};
//methods
Button() = default;
~Button() = default;
void DrawTo(SDL_Renderer*);
//setup
void SetBackgroundTexture(SDL_Renderer*, SDL_Texture*);
void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color);
void SetX(int x);
void SetY(int y);
//capture input
State MouseMotion(SDL_MouseMotionEvent const&);
State MouseButtonDown(SDL_MouseButtonEvent const&);
State MouseButtonUp(SDL_MouseButtonEvent const&);
//states
void SetState(State); //TODO: idle, busy or disabled
State GetState();
protected:
bool CheckBounds(int x, int y);
Image image;
int posX = 0, posY = 0;
State state = State::IDLE;
};
src/common/image.cpp
-211
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@@ -1,211 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "image.hpp"
#include "SDL2/SDL_image.h"
#include <sstream>
#include <stdexcept>
Image& Image::operator=(Image const& rhs) {
//don't screw yourself
if (this == &rhs) {
return *this;
}
Free();
//Copy the other Image's stuff
texture = rhs.texture;
clip = rhs.clip;
local = false;
}
Image& Image::operator=(Image&& rhs) {
//don't screw yourself
if (this == &rhs) {
return *this;
}
Free();
//Steal the other Image's stuff
texture = rhs.texture;
clip = rhs.clip;
local = rhs.local;
rhs.texture = nullptr;
rhs.clip = {0, 0, 0, 0};
rhs.local = false;
}
SDL_Texture* Image::Load(SDL_Renderer* renderer, std::string fname) {
Free();
//load the file into a surface
SDL_Surface* surface = IMG_Load(fname.c_str());
if (!surface) {
std::ostringstream msg;
msg << "Failed to load an image file: " << fname;
msg << "; " << IMG_GetError();
throw(std::runtime_error(msg.str()));
}
//create a texture from this surface
texture = SDL_CreateTextureFromSurface(renderer, surface);
if (!texture) {
std::ostringstream msg;
msg << "Failed to convert a newly loaded image file: " << fname;
msg << "; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
//set the metadata
clip.x = 0;
clip.y = 0;
if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
std::ostringstream msg;
msg << "Failed to record metadata for a newly loaded image file: " << fname;
msg << "; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
local = true;
//free the surface & return
SDL_FreeSurface(surface);
return texture;
}
SDL_Texture* Image::Create(SDL_Renderer* renderer, Uint16 w, Uint16 h, SDL_Color blank) {
Free();
//make the texture
texture = SDL_CreateTexture(renderer,
SDL_PIXELFORMAT_RGBA8888,
SDL_TEXTUREACCESS_TARGET,
w, h);
//check
if (!texture) {
std::ostringstream msg;
msg << "Failed to create a texture; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
//set the metadata
clip.x = 0;
clip.y = 0;
if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
std::ostringstream msg;
msg << "Failed to record metadata for a newly created image";
msg << "; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
local = true;
//blank (black) texture
SDL_SetRenderTarget(renderer, texture);
SDL_SetRenderDrawColor(renderer, blank.r, blank.g, blank.b, blank.a);
SDL_RenderFillRect(renderer, nullptr);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
SDL_SetRenderTarget(renderer, nullptr);
return texture;
}
SDL_Texture* Image::CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr) {
Free();
int w = 0, h = 0;
//get the info
SDL_QueryTexture(ptr, nullptr, nullptr, &w, &h);
//create a texture of (w, h) size (also sets the metadata)
Create(renderer, w, h);
//copy the argument texture to the local texture
SDL_SetRenderTarget(renderer, texture);
SDL_RenderCopy(renderer, ptr, nullptr, nullptr);
SDL_SetRenderTarget(renderer, nullptr);
//return the local texture
return texture;
}
SDL_Texture* Image::SetTexture(SDL_Texture* ptr) {
Free();
texture = ptr;
//set the metadata
clip.x = 0;
clip.y = 0;
if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
std::ostringstream msg;
msg << "Failed to record metadata for a newly image image";
msg << "; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
local = false;
return texture;
}
SDL_Texture* Image::GetTexture() const {
return texture;
}
void Image::Free() {
if (local) {
SDL_DestroyTexture(texture);
local = false;
}
texture = nullptr;
clip = {0, 0, 0, 0};
}
void Image::DrawTo(SDL_Renderer* const renderer, Sint16 x, Sint16 y, double scaleX, double scaleY) {
if (!texture) {
throw(std::logic_error("No image texture to draw"));
}
SDL_Rect sclip = clip;
SDL_Rect dclip = {x, y, Uint16(clip.w * scaleX), Uint16(clip.h * scaleY)};
SDL_RenderCopy(renderer, texture, &sclip, &dclip);
}
void Image::SetAlpha(Uint8 a) {
if (SDL_SetTextureAlphaMod(texture, a)) {
std::ostringstream msg;
msg << "Failed to set alpha; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
}
Uint8 Image::GetAlpha() {
Uint8 ret = 0;
if (SDL_GetTextureAlphaMod(texture, &ret)) {
std::ostringstream msg;
msg << "Failed to get alpha; " << SDL_GetError();
throw(std::runtime_error(msg.str()));
}
return ret;
}
src/common/image.hpp
-73
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@@ -1,73 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "SDL2/SDL.h"
#include <string>
class Image {
public:
Image() = default;
Image(Image const& rhs) { *this = rhs; }
Image(Image&& rhs) { *this = std::move(rhs); }
Image(SDL_Renderer* r, std::string fname) { Load(r, fname); }
Image(SDL_Renderer* r, Uint16 w, Uint16 h) { Create(r, w, h); }
Image(SDL_Texture* p) { SetTexture(p); }
virtual ~Image() { Free(); }
Image& operator=(Image const&);
Image& operator=(Image&&);
SDL_Texture* Load(SDL_Renderer* renderer, std::string fname);
SDL_Texture* Create(SDL_Renderer* renderer, Uint16 w, Uint16 h, SDL_Color blank = {0, 0, 0, 255});
SDL_Texture* CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr);
SDL_Texture* SetTexture(SDL_Texture*);
SDL_Texture* GetTexture() const;
virtual void Free();
void DrawTo(SDL_Renderer* const, Sint16 x, Sint16 y, double scaleX = 1.0, double scaleY = 1.0);
void SetAlpha(Uint8 a);
Uint8 GetAlpha();
//Clip handlers
SDL_Rect SetClip(SDL_Rect r) { return clip = r; }
SDL_Rect GetClip() const { return clip; }
Sint16 SetClipX(Sint16 x) { return clip.x = x; }
Sint16 SetClipY(Sint16 y) { return clip.y = y; }
Uint16 SetClipW(Uint16 w) { return clip.w = w; }
Uint16 SetClipH(Uint16 h) { return clip.h = h; }
Sint16 GetClipX() const { return clip.x; }
Sint16 GetClipY() const { return clip.y; }
Uint16 GetClipW() const { return clip.w; }
Uint16 GetClipH() const { return clip.h; }
bool GetLocal() const { return local; }
protected:
SDL_Texture* texture = nullptr;
SDL_Rect clip = {0, 0, 0, 0};
bool local = false;
};
src/common/makefile
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@@ -1,32 +0,0 @@
#config
INCLUDES+=.
LIBS+=
CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
#source
CXXSRC=$(wildcard *.cpp)
#objects
OBJDIR=obj
OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
#output
OUTDIR=..
OUT=$(addprefix $(OUTDIR)/,libcommon.a)
#targets
all: $(OBJ) $(OUT)
ar -crs $(OUT) $(OBJ)
$(OBJ): | $(OBJDIR)
$(OUT): | $(OUTDIR)
$(OBJDIR):
mkdir $(OBJDIR)
$(OUTDIR):
mkdir $(OUTDIR)
$(OBJDIR)/%.o: %.cpp
$(CXX) $(CXXFLAGS) -c -o $@ $<
src/common/text_box.cpp
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@@ -1,56 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "text_box.hpp"
#include <stdexcept>
TextBox::TextBox() {
//
}
TextBox::~TextBox() {
//
}
void TextBox::DrawTo(SDL_Renderer* renderer, int posX, int posY, int pointSize) {
for (std::list<TextLine>::iterator it = lineList.begin(); it != lineList.end(); it++) {
it->DrawTo(renderer, posX, posY);
posY -= pointSize;
}
}
void TextBox::PushLine(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
lineList.emplace_front(renderer, font, str, color);
}
void TextBox::PopLine(int num) {
//prevent underflow
num < lineList.size() ? num : lineList.size();
for (int i = 0; i < num; ++i) {
lineList.pop_back();
}
}
void TextBox::ClearLines() {
lineList.clear();
}
src/common/text_box.hpp
-45
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@@ -1,45 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "text_line.hpp"
#include "SDL2/SDL.h"
#include "SDL2/SDL_ttf.h"
#include <string>
#include <list>
class TextBox {
public:
TextBox();
~TextBox();
void DrawTo(SDL_Renderer*, int posX, int posY, int pointSize);
void PushLine(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
void PopLine(int num = 1);
void ClearLines();
private:
std::list<TextLine> lineList;
};
src/common/text_line.cpp
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@@ -1,70 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "text_line.hpp"
#include <stdexcept>
SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//make the surface (from SDL_ttf)
SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
if (!surface) {
throw(std::runtime_error("Failed to create a TTF surface"));
}
//convert to texture
SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
//cleanup
SDL_FreeSurface(surface);
//check
if (!texture) {
throw(std::runtime_error("Failed to create a TTF texture"));
}
//NOTE: free the texture yourself
return texture;
}
TextLine::TextLine() {
//
}
TextLine::~TextLine() {
ClearText();
}
void TextLine::DrawTo(SDL_Renderer* renderer, int posX, int posY) {
SDL_Rect dclip = {posX, posY, 0, 0};
SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
SDL_RenderCopy(renderer, texture, nullptr, &dclip);
}
void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//just use the above global function
SDL_DestroyTexture(texture);
texture = renderTextTexture(renderer, font, str, color);
}
void TextLine::ClearText() {
SDL_DestroyTexture(texture);
}
src/common/text_line.hpp
-45
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@@ -1,45 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "SDL2/SDL.h"
#include "SDL2/SDL_ttf.h"
#include <string>
SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
class TextLine {
public:
TextLine();
TextLine(SDL_Renderer* r, TTF_Font* f, std::string s, SDL_Color c)
{ SetText(r, f, s, c); }
~TextLine();
void DrawTo(SDL_Renderer*, int posX, int posY);
void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
void ClearText();
protected:
SDL_Texture* texture = nullptr;
};
src/libmap/makefile
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@@ -1,32 +0,0 @@
#config
INCLUDES+=. ../common
LIBS+=
CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
#source
CXXSRC=$(wildcard *.cpp)
#objects
OBJDIR=obj
OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
#output
OUTDIR=..
OUT=$(addprefix $(OUTDIR)/,libmap.a)
#targets
all: $(OBJ) $(OUT)
ar -crs $(OUT) $(OBJ)
$(OBJ): | $(OBJDIR)
$(OUT): | $(OUTDIR)
$(OBJDIR):
mkdir $(OBJDIR)
$(OUTDIR):
mkdir $(OUTDIR)
$(OBJDIR)/%.o: %.cpp
$(CXX) $(CXXFLAGS) -c -o $@ $<
src/libmap/region.cpp
-82
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@@ -1,82 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "region.hpp"
#include <cmath>
#include <cstring>
#include <stdexcept>
int snapToBase(int base, int x) {
return floor((double)x / base) * base;
}
Region::Region(int argX, int argY): x(argX), y(argY) {
if (x != snapToBase(REGION_WIDTH, x) || y != snapToBase(REGION_HEIGHT, y)) {
throw(std::invalid_argument("Region location is off grid"));
}
memset(tiles, 0, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
}
Region::Region(Region const& rhs): x(rhs.x), y(rhs.y) {
memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
solid = rhs.solid;
}
Region::type_t Region::SetTile(int x, int y, int z, type_t v) {
if (x < 0 || y < 0 || z < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT || z >= REGION_DEPTH) {
throw(std::out_of_range("Region::SetTile() argument out of range"));
}
return tiles[x][y][z] = v;
}
Region::type_t Region::GetTile(int x, int y, int z) {
if (x < 0 || y < 0 || z < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT || z >= REGION_DEPTH) {
throw(std::out_of_range("Region::GetTile() argument out of range"));
}
return tiles[x][y][z];
}
bool Region::SetSolid(int x, int y, bool b) {
if (x < 0 || y < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT) {
throw(std::out_of_range("Region::SetSolid() argument out of range"));
}
return solid[x * REGION_WIDTH + y] = b;
}
bool Region::GetSolid(int x, int y) {
if (x < 0 || y < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT) {
throw(std::out_of_range("Region::GetSolid() argument out of range"));
}
return solid[x * REGION_WIDTH + y];
}
int Region::GetX() const {
return x;
}
int Region::GetY() const {
return y;
}
std::bitset<REGION_WIDTH*REGION_HEIGHT>* Region::GetSolidBitset() {
return &solid;
}
src/libmap/region.hpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include <bitset>
//the region's storage format
constexpr int REGION_WIDTH = 20;
constexpr int REGION_HEIGHT = 20;
constexpr int REGION_DEPTH = 3;
//utility function
int snapToBase(int base, int x);
class Region {
public:
typedef unsigned char type_t;
Region() = delete;
Region(int x, int y);
Region(Region const&);
~Region() = default;
type_t SetTile(int x, int y, int z, type_t v);
type_t GetTile(int x, int y, int z);
bool SetSolid(int x, int y, bool b);
bool GetSolid(int x, int y);
//accessors
int GetX() const;
int GetY() const;
std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset();
private:
friend class TileSheet;
const int x;
const int y;
type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH];
std::bitset<REGION_WIDTH*REGION_HEIGHT> solid;
};
src/libmap/region_api.cpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "region_api.hpp"
#include "region.hpp"
static int setTile(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
int ret = region->SetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1, lua_tointeger(L, 5));
lua_pushinteger(L, ret);
return 1;
}
static int getTile(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
int ret = region->GetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1);
lua_pushinteger(L, ret);
return 1;
}
static int setSolid(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
bool ret = region->SetSolid(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_toboolean(L, 4));
lua_pushboolean(L, ret);
return 1;
}
static int getSolid(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
bool ret = region->GetSolid(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1);
lua_pushboolean(L, ret);
return 1;
}
static int getX(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
lua_pushinteger(L, region->GetX());
return 1;
}
static int getY(lua_State* L) {
Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
lua_pushinteger(L, region->GetY());
return 1;
}
static int getWidth(lua_State* L) {
lua_pushinteger(L, REGION_WIDTH);
return 1;
}
static int getHeight(lua_State* L) {
lua_pushinteger(L, REGION_HEIGHT);
return 1;
}
static int getDepth(lua_State* L) {
lua_pushinteger(L, REGION_DEPTH);
return 1;
}
static const luaL_Reg regionLib[] = {
{"SetTile",setTile},
{"GetTile",getTile},
{"SetSolid",setSolid},
{"GetSolid",getSolid},
{"GetX",getX},
{"GetY",getY},
//the global macros
{"GetWidth",getWidth},
{"GetHeight",getHeight},
{"GetDepth",getDepth},
{nullptr, nullptr}
};
LUAMOD_API int openRegionAPI(lua_State* L) {
luaL_newlib(L, regionLib);
return 1;
}
src/libmap/region_api.hpp
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@@ -1,27 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "lua.hpp"
#define TORTUGA_REGION_API "region"
LUAMOD_API int openRegionAPI(lua_State* L);
src/libmap/region_pager_api.cpp
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@@ -1,172 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "region_pager_api.hpp"
#include "region_pager_lua.hpp"
#include "region.hpp"
//DOCS: These glue functions simply wrap RegionPagerLua's methods
//NOTE: zero indexing is used here, but not in the region API
static int setTile(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
int ret = pager->SetTile(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4), lua_tointeger(L, 5));
lua_pushinteger(L, ret);
return 1;
}
static int getTile(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
int ret = pager->GetTile(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
lua_pushinteger(L, ret);
return 1;
}
static int setSolid(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
bool ret = pager->SetSolid(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_toboolean(L, 4));
lua_pushboolean(L, ret);
return 1;
}
static int getSolid(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
bool ret = pager->GetSolid(lua_tointeger(L, 2), lua_tointeger(L, 3));
lua_pushboolean(L, ret);
return 1;
}
static int getRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
Region* region = pager->GetRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
lua_pushlightuserdata(L, region);
return 1;
}
static int loadRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
Region* region = pager->LoadRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
lua_pushlightuserdata(L, region);
return 1;
}
static int saveRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
Region* region = pager->SaveRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
lua_pushlightuserdata(L, region);
return 1;
}
static int createRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
Region* region = pager->CreateRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
lua_pushlightuserdata(L, region);
return 1;
}
static int unloadRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
//two argument types: coords & the region itself
switch(lua_type(L, 2)) {
case LUA_TNUMBER:
pager->UnloadIf([&](Region const& region) -> bool {
int x = lua_tointeger(L, 2);
int y = lua_tointeger(L, 3);
return region.GetX() == x && region.GetY() == y;
});
break;
case LUA_TLIGHTUSERDATA:
pager->UnloadIf([&](Region const& region) -> bool {
return (&region) == lua_touserdata(L, 2);
});
break;
}
return 0;
}
static int setOnLoad(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
luaL_unref(L, LUA_REGISTRYINDEX, pager->GetLoadReference());
pager->SetLoadReference(luaL_ref(L, LUA_REGISTRYINDEX));
return 0;
}
static int setOnSave(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
luaL_unref(L, LUA_REGISTRYINDEX, pager->GetSaveReference());
pager->SetSaveReference(luaL_ref(L, LUA_REGISTRYINDEX));
return 0;
}
static int setOnCreate(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
luaL_unref(L, LUA_REGISTRYINDEX, pager->GetCreateReference());
pager->SetCreateReference(luaL_ref(L, LUA_REGISTRYINDEX));
return 0;
}
static int setOnUnload(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
luaL_unref(L, LUA_REGISTRYINDEX, pager->GetUnloadReference());
pager->SetUnloadReference(luaL_ref(L, LUA_REGISTRYINDEX));
return 0;
}
//debugging
static int containerSize(lua_State* L) {
RegionPagerLua* pager = static_cast<RegionPagerLua*>(lua_touserdata(L, 1));
lua_pushinteger(L, pager->GetContainer()->size());
return 1;
}
static const luaL_Reg regionPagerLib[] = {
//curry
{"SetTile", setTile},
{"GetTile", getTile},
{"SetSolid", setSolid},
{"GetSolid", getSolid},
//access and control
{"GetRegion", getRegion},
{"LoadRegion", loadRegion},
{"SaveRegion", saveRegion},
{"CreateRegion", createRegion},
{"UnloadRegion", unloadRegion},
//triggers
{"SetOnLoad",setOnLoad},
{"SetOnSave",setOnSave},
{"SetOnCreate",setOnCreate},
{"SetOnUnload",setOnUnload},
//debugging
{"ContainerSize", containerSize},
//sentinel
{nullptr, nullptr}
};
LUAMOD_API int openRegionPagerAPI(lua_State* L) {
luaL_newlib(L, regionPagerLib);
return 1;
}
src/libmap/region_pager_api.hpp
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@@ -1,27 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "lua.hpp"
#define TORTUGA_REGION_PAGER_API "region_pager"
LUAMOD_API int openRegionPagerAPI(lua_State* L);
src/libmap/region_pager_base.cpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "region_pager_base.hpp"
#include <stdexcept>
#include <algorithm>
RegionPagerBase::~RegionPagerBase() {
UnloadAll();
};
Region::type_t RegionPagerBase::SetTile(int x, int y, int z, Region::type_t v) {
Region* ptr = GetRegion(x, y);
return ptr->SetTile(x - ptr->GetX(), y - ptr->GetY(), z, v);
}
Region::type_t RegionPagerBase::GetTile(int x, int y, int z) {
Region* ptr = GetRegion(x, y);
return ptr->GetTile(x - ptr->GetX(), y - ptr->GetY(), z);
}
bool RegionPagerBase::SetSolid(int x, int y, int b) {
Region* ptr = GetRegion(x, y);
return ptr->SetSolid(x - ptr->GetX(), y - ptr->GetY(), b);
}
bool RegionPagerBase::GetSolid(int x, int y) {
Region* ptr = GetRegion(x, y);
return ptr->GetSolid(x - ptr->GetX(), y - ptr->GetY());
}
Region* RegionPagerBase::GetRegion(int x, int y) {
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//get the region by various means
Region* ptr = nullptr;
ptr = FindRegion(x, y);
if (ptr) return ptr;
ptr = LoadRegion(x, y);
if (ptr) return ptr;
return CreateRegion(x, y);
}
Region* RegionPagerBase::FindRegion(int x, int y) {
//find the region
std::list<Region>::iterator it = find_if(regionList.begin(), regionList.end(), [x, y](Region& region) -> bool {
return region.GetX() == x && region.GetY() == y;
});
return it != regionList.end() ? &(*it) : nullptr;
}
Region* RegionPagerBase::PushRegion(Region* const ptr) {
//BUG: #45 Some regions are occasionally losing their tile data
regionList.push_front(*ptr);
return &regionList.front();
}
Region* RegionPagerBase::LoadRegion(int x, int y) {
//EMPTY, intended for override
return nullptr;
}
Region* RegionPagerBase::SaveRegion(int x, int y) {
//EMPTY, intended for override
return nullptr;
}
Region* RegionPagerBase::CreateRegion(int x, int y) {
if (FindRegion(x, y)) {
throw(std::logic_error("Cannot overwrite an existing region"));
}
regionList.emplace_front(x, y);
return &regionList.front();
}
void RegionPagerBase::UnloadIf(std::function<bool(Region const&)> fn) {
regionList.remove_if(fn);
}
void RegionPagerBase::UnloadAll() {
regionList.clear();
}
std::list<Region>* RegionPagerBase::GetContainer() {
return &regionList;
}
src/libmap/region_pager_base.hpp
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@@ -1,58 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "region.hpp"
#include <functional>
#include <list>
class RegionPagerBase {
public:
RegionPagerBase() = default;
virtual ~RegionPagerBase();
//tile manipulation
virtual Region::type_t SetTile(int x, int y, int z, Region::type_t v);
virtual Region::type_t GetTile(int x, int y, int z);
//solid manipulation
virtual bool SetSolid(int x, int y, int b);
virtual bool GetSolid(int x, int y);
//region manipulation
virtual Region* GetRegion(int x, int y);
virtual Region* FindRegion(int x, int y);
virtual Region* PushRegion(Region* const);
virtual Region* LoadRegion(int x, int y);
virtual Region* SaveRegion(int x, int y);
virtual Region* CreateRegion(int x, int y);
virtual void UnloadIf(std::function<bool(Region const&)> fn);
virtual void UnloadAll();
//accessors & mutators
std::list<Region>* GetContainer();
protected:
std::list<Region> regionList;
};
src/libmap/region_pager_lua.cpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "region_pager_lua.hpp"
#include <stdexcept>
RegionPagerLua::~RegionPagerLua() {
//unload all regions
UnloadAll();
//clear any stored functions
luaL_unref(lua, LUA_REGISTRYINDEX, loadRef);
luaL_unref(lua, LUA_REGISTRYINDEX, saveRef);
luaL_unref(lua, LUA_REGISTRYINDEX, createRef);
luaL_unref(lua, LUA_REGISTRYINDEX, unloadRef);
}
//return the loaded region, or nullptr on failure
Region* RegionPagerLua::LoadRegion(int x, int y) {
//get the pager's function from the registry
lua_rawgeti(lua, LUA_REGISTRYINDEX, loadRef);
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//signal that there is no load function
return nullptr;
}
//something to work on
Region tmpRegion(x, y);
lua_pushlightuserdata(lua, &tmpRegion);
//call the funtion, 1 arg, 1 return
if (lua_pcall(lua, 1, 1, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
}
//check the return value, success or failure
if (lua_isboolean(lua, -1) && lua_toboolean(lua, -1)) {
lua_pop(lua, 1);
//push and return the loaded region
regionList.push_front(tmpRegion);
return &regionList.front();
}
else {
lua_pop(lua, 1);
//signal a failure
return nullptr;
}
}
//NOTE: this return value seems strange; could replace it with a boolean
//return the saved region, or nullptr on failure
Region* RegionPagerLua::SaveRegion(int x, int y) {
//get the pager's function from the registry
lua_rawgeti(lua, LUA_REGISTRYINDEX, saveRef);
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//signal that the region wasn't saved
return nullptr;
}
//find the specified region
Region* ptr = FindRegion(x, y);
if (!ptr) {
lua_pop(lua, 1);
//signal that there is no save function
return nullptr;
}
lua_pushlightuserdata(lua, ptr);
//call the function, 1 arg, 1 return
if (lua_pcall(lua, 1, 1, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
}
//check the return value, success or failure
if (lua_isboolean(lua, -1) && lua_toboolean(lua, -1)) {
lua_pop(lua, 1);
//return the specified region that was saved
return ptr;
}
else {
lua_pop(lua, 1);
//signal a failure
return nullptr;
}
}
//DOCS: since this method is the last ditch call from GetRegion, it must return a valid region object, even if the create function hasn't been set.
//return a new region, throwing an error on failure
Region* RegionPagerLua::CreateRegion(int x, int y) {
if (FindRegion(x, y)) {
throw(std::logic_error("Cannot overwrite an existing region"));
}
//get the pager's function from the registry
lua_rawgeti(lua, LUA_REGISTRYINDEX, createRef);
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//return an empty region object
regionList.emplace_front(x, y);
return &regionList.front();
}
//something to work on
Region tmpRegion(x, y);
lua_pushlightuserdata(lua, &tmpRegion);
//call the function, 1 arg, 0 return
if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
}
//return the new region
regionList.push_front(tmpRegion);
return &regionList.front();
}
//no return
void RegionPagerLua::UnloadIf(std::function<bool(Region const&)> fn) {
//get the pager's function from the registry
lua_rawgeti(lua, LUA_REGISTRYINDEX, unloadRef);
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//remove the regions anyway
regionList.remove_if(fn);
return;
}
//run each region through this lambda
regionList.remove_if([&](Region& region) -> bool {
if (fn(region)) {
//push a copy of the function onto the stack with the region
lua_pushvalue(lua, -1);
lua_pushlightuserdata(lua, static_cast<void*>(&region));
//call the function, 1 arg, 0 return
if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
}
//signal to the container
return true;
}
//signal to the container
return false;
});
//pop the base copy of the function
lua_pop(lua, 1);
}
void RegionPagerLua::UnloadAll() {
//get the pager's function from the registry
lua_rawgeti(lua, LUA_REGISTRYINDEX, unloadRef);
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//remove the regions anyway
regionList.clear();
return;
}
for (auto& it : regionList) {
//push a copy of the function onto the stack with the region
lua_pushvalue(lua, -1);
lua_pushlightuserdata(lua, &it);
//call the function, 1 arg, 0 return
if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
}
}
//pop the base copy of the function
lua_pop(lua, 1);
//remove from memory
regionList.clear();
}
src/libmap/region_pager_lua.hpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "region_pager_base.hpp"
#include "lua.hpp"
#include <functional>
#include <string>
//DOCS: set the lua hook before use
class RegionPagerLua : public RegionPagerBase {
public:
RegionPagerLua() = default;
~RegionPagerLua();
//region manipulation
Region* LoadRegion(int x, int y) override;
Region* SaveRegion(int x, int y) override;
Region* CreateRegion(int x, int y) override;
void UnloadIf(std::function<bool(Region const&)> fn) override;
void UnloadAll() override;
//accessors & mutators
lua_State* SetLuaState(lua_State* L) { return lua = L; }
lua_State* GetLuaState() { return lua; }
//utilities for the API
int SetLoadReference(int i) { return loadRef = i; }
int SetSaveReference(int i) { return saveRef = i; }
int SetCreateReference(int i) { return createRef = i; }
int SetUnloadReference(int i) { return unloadRef = i; }
int GetLoadReference() { return loadRef; }
int GetSaveReference() { return saveRef; }
int GetCreateReference() { return createRef; }
int GetUnloadReference() { return unloadRef; }
protected:
lua_State* lua = nullptr;
int loadRef = LUA_NOREF;
int saveRef = LUA_NOREF;
int createRef = LUA_NOREF;
int unloadRef = LUA_NOREF;
};
src/libmap/tile_sheet.cpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "tile_sheet.hpp"
#include <stdexcept>
TileSheet& TileSheet::operator=(TileSheet const& rhs) {
//don't screw yourself
if (this == &rhs) {
return *this;
}
Free();
//Copy the other TileSheet's stuff
texture = rhs.texture;
clip = rhs.clip;
local = false;
countX = rhs.countX;
countY = rhs.countY;
}
TileSheet& TileSheet::operator=(TileSheet&& rhs) {
//don't screw yourself
if (this == &rhs) {
return *this;
}
Free();
//Copy the other TileSheet's stuff
texture = rhs.texture;
clip = rhs.clip;
local = false;
countX = rhs.countX;
countY = rhs.countY;
rhs.texture = nullptr;
rhs.clip = {0, 0, 0, 0};
rhs.local = false;
rhs.countX = 0;
rhs.countY = 0;
}
void TileSheet::Load(SDL_Renderer* renderer, std::string fname, int tileWidth, int tileHeight) {
Image::Load(renderer, fname);
countX = clip.w / tileWidth;
countY = clip.h / tileHeight;
clip.w = tileWidth;
clip.h = tileHeight;
}
SDL_Texture* TileSheet::SetTexture(SDL_Texture* ptr, int tileWidth, int tileHeight) {
Image::SetTexture(ptr);
countX = clip.w / tileWidth;
countY = clip.h / tileHeight;
clip.w = tileWidth;
clip.h = tileHeight;
}
void TileSheet::Free() {
Image::Free();
countX = countY = 0;
}
void TileSheet::DrawLayerTo(SDL_Renderer* const renderer, Region* const region, int layer, int camX, int camY, double scaleX, double scaleY) {
//TODO: (2) empty
}
void TileSheet::DrawRegionTo(SDL_Renderer* const renderer, Region* const region, int camX, int camY, double scaleX, double scaleY) {
//NOTE: TileSheet is a friend class of Region
//reimplementing DrawTo() to improve performance (less indirection)
if (!texture) {
throw(std::logic_error("No image texture to draw"));
}
//the local variables
SDL_Rect sclip = {0, 0, clip.w, clip.h};
SDL_Rect dclip = {0, 0, Uint16(clip.w * scaleX), Uint16(clip.h * scaleY)};
Region::type_t tile = 0;
//for each tile
for (register int i = 0; i < REGION_WIDTH; ++i) {
for (register int j = 0; j < REGION_HEIGHT; ++j) {
for (register int k = 0; k < REGION_DEPTH; ++k) {
//get the value to skip expensive lookups
tile = region->tiles[i][j][k];
//0 is invisible
if (tile == 0) continue;
//set the sclip
sclip.x = (tile-1) % countX * clip.h;
sclip.y = (tile-1) / countX * clip.w;
//set the dclip
dclip.x = ((region->x + i) * clip.w - camX) * scaleX;
dclip.y = ((region->y + j) * clip.h - camY) * scaleY;
//draw
SDL_RenderCopy(renderer, texture, &sclip, &dclip);
}
}
}
}
src/libmap/tile_sheet.hpp
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/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "region.hpp"
#include "image.hpp"
#include <string>
class TileSheet : public Image {
public:
TileSheet() = default;
TileSheet(TileSheet const& rhs) { *this = rhs; }
TileSheet(TileSheet&& rhs) { *this = std::move(rhs); }
TileSheet(SDL_Renderer* r, std::string fn, int tw, int th) { Load(r, fn, tw, th); }
TileSheet(SDL_Texture* p, int tw, int th) { SetTexture(p, tw, th); }
~TileSheet() = default;
TileSheet& operator=(TileSheet const&);
TileSheet& operator=(TileSheet&&);
void Load(SDL_Renderer*, std::string fname, int tileWidth, int tileHeight);
SDL_Texture* SetTexture(SDL_Texture*, int tileWidth, int tileHeight);
void Free() override;
void DrawLayerTo(SDL_Renderer* const renderer, Region* const region, int layer, int camX, int camY, double scaleX = 1.0, double scaleY = 1.0);
void DrawRegionTo(SDL_Renderer* const renderer, Region* const region, int camX, int camY, double scaleX = 1.0, double scaleY = 1.0);
//accessors
//DOCS: Reuse Image::clip for tile sizes
int GetCountX() { return countX; }
int GetCountY() { return countY; }
int GetTileW() { return clip.w; }
int GetTileH() { return clip.h; }
protected:
int countX = 0, countY = 0;
using Image::Load;
using Image::Create;
using Image::SetTexture;
using Image::SetClip;
using Image::SetClipX;
using Image::SetClipY;
using Image::SetClipW;
using Image::SetClipH;
};