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Collapsed the pager into a single file, removing lua hooks

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I need to re-add the lua hooks, but it'll be easy.
This commit is contained in:
Kayne Ruse
2014-06-08 04:01:09 +10:00
parent 5175a4e40d
commit f034c32c38
12 changed files with 68 additions and 346 deletions
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common/map/map_allocator.cpp
-60
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@@ -1,60 +0,0 @@
/* Copyright: (c) Kayne Ruse 2014
*
* 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 "map_allocator.hpp"
#include <stdexcept>
void BlankAllocator::Create(Region** const ptr, int x, int y) {
(*ptr) = new Region(x, y);
}
void BlankAllocator::Unload(Region* const ptr) {
delete ptr;
}
void LuaAllocator::Create(Region** const ptr, int x, int y) {
//something to work on
(*ptr) = new Region(x, y);
//API hook
lua_getglobal(state, "map");
lua_getfield(state, -1, "create");
lua_pushlightuserdata(state, *ptr);
if (lua_pcall(state, 1, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(state, -1) ));
}
lua_pop(state, 1);
}
void LuaAllocator::Unload(Region* const ptr) {
//API hook
lua_getglobal(state, "map");
lua_getfield(state, -1, "unload");
lua_pushlightuserdata(state, ptr);
if (lua_pcall(state, 1, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(state, -1) ));
}
lua_pop(state, 1);
//clean up the memory
delete ptr;
}
common/map/map_allocator.hpp
-48
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@@ -1,48 +0,0 @@
/* Copyright: (c) Kayne Ruse 2014
*
* 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.
*/
#ifndef MAPALLOCATOR_HPP_
#define MAPALLOCATOR_HPP_
#include "region.hpp"
#include "lua/lua.hpp"
class BlankAllocator {
public:
void Create(Region** const, int x, int y);
void Unload(Region* const);
private:
//
};
class LuaAllocator {
public:
void Create(Region** const, int x, int y);
void Unload(Region* const);
lua_State* SetLuaState(lua_State* L) { return state = L; }
lua_State* GetLuaState() { return state; }
private:
lua_State* state = nullptr;
};
#endif
common/map/map_file_format.cpp
-66
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@@ -1,66 +0,0 @@
/* Copyright: (c) Kayne Ruse 2014
*
* 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 "map_file_format.hpp"
#include <stdexcept>
void DummyFormat::Load(Region** const ptr, int x, int y) {
//EMPTY
}
void DummyFormat::Save(Region* const ptr) {
//EMPTY
}
void LuaFormat::Load(Region** const ptr, int x, int y) {
//something to load into
if (!(*ptr)) {
(*ptr) = new Region(x, y);
}
//API hook
lua_getglobal(state, "map");
lua_getfield(state, -1, "load");
lua_pushlightuserdata(state, *ptr);
lua_pushstring(state, saveDir.c_str());
if (lua_pcall(state, 2, 1, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(state, -1) ));
}
if (lua_toboolean(state, -1) == false) {
delete (*ptr);
(*ptr) = nullptr;
}
lua_pop(state, 2);
}
void LuaFormat::Save(Region* const ptr) {
//API hook
lua_getglobal(state, "map");
lua_getfield(state, -1, "save");
lua_pushlightuserdata(state, ptr);
lua_pushstring(state, saveDir.c_str());
if (lua_pcall(state, 2, 0, 0) != LUA_OK) {
throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(state, -1) ));
}
lua_pop(state, 1);
}
common/map/map_file_format.hpp
-62
View File
@@ -1,62 +0,0 @@
/* Copyright: (c) Kayne Ruse 2014
*
* 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.
*/
#ifndef MAPFILEFORMAT_HPP_
#define MAPFILEFORMAT_HPP_
#include "region.hpp"
#include "lua/lua.hpp"
#include <string>
//TODO: I'm unhappy with using this system, there needs to be a way to handle saving/loading better
class DummyFormat {
public:
void Load(Region** const, int x, int y);
void Save(Region* const);
std::string SetSaveDir(std::string s) { return saveDir = s; }
std::string GetSaveDir() { return saveDir; }
private:
std::string saveDir;
};
//TODO: verbose save file format
//TODO: compact save file format
class LuaFormat {
public:
void Load(Region** const, int x, int y);
void Save(Region* const);
std::string SetSaveDir(std::string s) { return saveDir = s; }
std::string GetSaveDir() { return saveDir; }
lua_State* SetLuaState(lua_State* L) { return state = L; }
lua_State* GetLuaState() { return state; }
private:
std::string saveDir;
lua_State* state = nullptr;
};
#endif
common/map/region_pager.cpp
+54 -7
View File
@@ -23,17 +23,17 @@
#include "utility.hpp"
Region::type_t RegionPagerBase::SetTile(int x, int y, int z, Region::type_t v) {
Region::type_t RegionPager::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::type_t RegionPager::GetTile(int x, int y, int z) {
Region* ptr = GetRegion(x, y);
return ptr->GetTile(x - ptr->GetX(), y - ptr->GetY(), z);
}
Region* RegionPagerBase::GetRegion(int x, int y) {
Region* RegionPager::GetRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
@@ -47,7 +47,7 @@ Region* RegionPagerBase::GetRegion(int x, int y) {
return CreateRegion(x, y);
}
Region* RegionPagerBase::FindRegion(int x, int y) {
Region* RegionPager::FindRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
@@ -61,7 +61,54 @@ Region* RegionPagerBase::FindRegion(int x, int y) {
return nullptr;
}
Region* RegionPagerBase::PushRegion(Region* ptr) {
Region* RegionPager::LoadRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//load the region if possible
//TODO: Load the region (lua)
return nullptr;
}
Region* RegionPager::SaveRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//find & save the region
Region* ptr = FindRegion(x, y);
if (ptr) {
//TODO: save the region (lua)
}
return ptr;
}
Region* RegionPager::CreateRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//create and push the object
Region* ptr = new Region(x, y);
//TODO: create the region (lua)
regionList.push_front(ptr);
return regionList.front();
}
return ptr;
}
void RegionPager::UnloadRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//custom loop, not FindRegion()
for (std::list<Region*>::iterator it = regionList.begin(); it != regionList.end(); /* EMPTY */) {
if ((*it)->GetX() == x && (*it)->GetY() == y) {
//TODO: unload the region (lua)
delete (*it);
it = regionList.erase(it);
continue;
}
++it;
}
}
common/map/region_pager.hpp
+9 -87
View File
@@ -23,14 +23,14 @@
#define REGIONPAGER_HPP_
#include "region.hpp"
#include "utility.hpp"
#include <list>
class RegionPagerBase {
//TODO: add lua interface?
class RegionPager {
public:
RegionPagerBase() {};
virtual ~RegionPagerBase() {};
RegionPager() = default;
~RegionPager() = default;
//tile manipulation
Region::type_t SetTile(int x, int y, int z, Region::type_t v);
@@ -39,14 +39,12 @@ public:
//region manipulation
Region* GetRegion(int x, int y);
Region* FindRegion(int x, int y);
Region* PushRegion(Region*);
//interface
virtual Region* LoadRegion(int x, int y) = 0;
virtual Region* SaveRegion(int x, int y) = 0;
virtual Region* CreateRegion(int x, int y) = 0;
virtual void UnloadRegion(int x, int y) = 0;
//TODO: delete existing regions
Region* LoadRegion(int x, int y);
Region* SaveRegion(int x, int y);
Region* CreateRegion(int x, int y);
void UnloadRegion(int x, int y);
void DeleteRegion(int x, int y);
//accessors & mutators
std::list<Region*>* GetContainer() { return &regionList; }
@@ -54,80 +52,4 @@ protected:
std::list<Region*> regionList;
};
template<typename Allocator, typename FileFormat>
class RegionPager : public RegionPagerBase {
public:
RegionPager() {};
~RegionPager() {
UnloadAll();
}
Region* LoadRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//load the region if possible
Region* ptr = nullptr;
format.Load(&ptr, x, y);
if (ptr) {
return PushRegion(ptr);
}
return nullptr;
}
Region* SaveRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//find & save the region
Region* ptr = FindRegion(x, y);
if (ptr) {
format.Save(ptr);
}
return ptr;
}
Region* CreateRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//create and push the object
Region* ptr = nullptr;
allocator.Create(&ptr, x, y);
return PushRegion(ptr);
}
void UnloadRegion(int x, int y) {
//snap the coords
x = snapToBase(REGION_WIDTH, x);
y = snapToBase(REGION_HEIGHT, y);
//custom loop
for (std::list<Region*>::iterator it = regionList.begin(); it != regionList.end(); /* EMPTY */) {
if ((*it)->GetX() == x && (*it)->GetY() == y) {
allocator.Unload(*it);
it = regionList.erase(it);
continue;
}
++it;
}
}
void UnloadAll() {
for (auto& it : regionList) {
allocator.Unload(it);
}
regionList.clear();
}
//accessors
Allocator* GetAllocator() { return &allocator; }
FileFormat* GetFormat() { return &format; }
protected:
Allocator allocator;
FileFormat format;
};
#endif
common/network/serial/serial_region.cpp
+1 -7
View File
@@ -23,8 +23,6 @@
#include "serial_util.hpp"
#include "map_allocator.hpp"
void serializeRegionFormat(RegionPacket* packet, void* buffer) {
SERIALIZE(buffer, &packet->type, sizeof(SerialPacketType));
@@ -71,11 +69,7 @@ void deserializeRegionContent(RegionPacket* packet, void* buffer) {
DESERIALIZE(buffer, &packet->y, sizeof(int));
//an object to work on
BlankAllocator().Create(
&packet->region,
packet->x,
packet->y
);
packet->region = new Region(packet->x, packet->y);
//content
for (register int i = 0; i < REGION_WIDTH; i++) {
common/script/map_api.cpp
+2 -4
View File
@@ -22,8 +22,6 @@
#include "map_api.hpp"
//map headers
#include "map_allocator.hpp"
#include "map_file_format.hpp"
#include "region_pager.hpp"
//NOTE: When operating on a region, setTile() & getTile() *are not* zero indexed, but when operating on the entire map they *are* zero indexed.
@@ -42,7 +40,7 @@ static int setTile(lua_State* L) {
lua_gettable(L, LUA_REGISTRYINDEX);
//assume the pager is using lua
RegionPager<LuaAllocator, LuaFormat>* pager = reinterpret_cast<RegionPager<LuaAllocator, LuaFormat>*>(lua_touserdata(L, -1));
RegionPager* pager = reinterpret_cast<RegionPager*>(lua_touserdata(L, -1));
//balance the stack
lua_pop(L, 1);
@@ -65,7 +63,7 @@ static int getTile(lua_State* L) {
lua_gettable(L, LUA_REGISTRYINDEX);
//assume the pager is using lua
RegionPager<LuaAllocator, LuaFormat>* pager = reinterpret_cast<RegionPager<LuaAllocator, LuaFormat>*>(lua_touserdata(L, -1));
RegionPager* pager = reinterpret_cast<RegionPager*>(lua_touserdata(L, -1));
//balance the stack
lua_pop(L, 1);