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Imported updates to the map system

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This commit is contained in:
Kayne Ruse
2015-07-20 13:35:10 +10:00
parent 4ced681c76
commit d2e75e02c5
7 changed files with 50 additions and 20 deletions
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common/map/makefile
+1 -1
View File
@@ -1,5 +1,5 @@
#config
INCLUDES+=. ../utilities
INCLUDES+=. ../graphics
LIBS+=
CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
common/map/region.hpp
+2
View File
@@ -52,6 +52,8 @@ public:
std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset();
private:
friend class TileSheet;
const int x;
const int y;
common/map/region_pager_lua.cpp
+15 -7
View File
@@ -23,9 +23,6 @@
#include <stdexcept>
//DOCS: Load, Save and Create fail unless the lua function has been set
//DOCS: UnloadIf and UnloadAll will still continue without the function set
RegionPagerLua::~RegionPagerLua() {
//unload all regions
UnloadAll();
@@ -44,6 +41,7 @@ Region* RegionPagerLua::LoadRegion(int x, int y) {
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//signal that there is no load function
return nullptr;
}
@@ -57,17 +55,20 @@ Region* RegionPagerLua::LoadRegion(int x, int y) {
}
//check the return value, success or failure
if (lua_toboolean(lua, -1)) {
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
@@ -76,6 +77,7 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//signal that the region wasn't saved
return nullptr;
}
@@ -83,6 +85,7 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
Region* ptr = FindRegion(x, y);
if (!ptr) {
lua_pop(lua, 1);
//signal that there is no save function
return nullptr;
}
lua_pushlightuserdata(lua, ptr);
@@ -93,17 +96,20 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
}
//check the return value, success or failure
if (lua_toboolean(lua, -1)) {
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;
}
}
//return the created region, or nullptr on failure
//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"));
@@ -115,7 +121,9 @@ Region* RegionPagerLua::CreateRegion(int x, int y) {
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
return nullptr;
//return an empty region object
regionList.emplace_front(x, y);
return &regionList.front();
}
//something to work on
common/map/region_pager_lua.hpp
+2
View File
@@ -28,6 +28,8 @@
#include <functional>
#include <string>
//DOCS: set the lua hook before use
class RegionPagerLua : public RegionPagerBase {
public:
RegionPagerLua() = default;
common/map/tile_sheet.cpp
+124
View File
@@ -0,0 +1,124 @@
/* 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.x = (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);
}
}
}
}
common/map/tile_sheet.hpp
+67
View File
@@ -0,0 +1,67 @@
/* 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;
};