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Updated the map system & APIs

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This commit is contained in:
Kayne Ruse
2014-12-31 06:01:03 +11:00
parent 8e50be24d4
commit 6704944105
11 changed files with 116 additions and 38 deletions
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common/map/map_system_api.cpp
+1 -21
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@@ -26,31 +26,11 @@
#include "region_pager_api.hpp"
#include "tile_sheet_api.hpp"
//macros
#include "region.hpp"
//useful "globals"
static int getRegionWidth(lua_State* L) {
lua_pushinteger(L, REGION_WIDTH);
return 1;
}
static int getRegionHeight(lua_State* L) {
lua_pushinteger(L, REGION_HEIGHT);
return 1;
}
static int getRegionDepth(lua_State* L) {
lua_pushinteger(L, REGION_DEPTH);
return 1;
}
//...
//This mimics linit.c to create a nested collection of all map modules.
static const luaL_Reg funcs[] = {
//synonyms
{"GetRegionWidth", getRegionWidth},
{"GetRegionHeight", getRegionHeight},
{"GetRegionDepth", getRegionDepth},
{nullptr, nullptr}
};
common/map/region.cpp
+13 -1
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@@ -21,9 +21,9 @@
*/
#include "region.hpp"
#include <stdexcept>
#include <cmath>
#include <cstring>
#include <stdexcept>
int snapToBase(int base, int x) {
return floor((double)x / base) * base;
@@ -55,4 +55,16 @@ bool Region::SetSolid(int x, int y, bool b) {
bool Region::GetSolid(int x, int y) {
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;
}
common/map/region.hpp
+3 -3
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@@ -48,10 +48,10 @@ public:
bool GetSolid(int x, int y);
//accessors
int GetX() const { return x; }
int GetY() const { return y; }
int GetX() const;
int GetY() const;
std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset() { return &solid; }
std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset();
private:
const int x;
const int y;
common/map/region_api.cpp
+2
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@@ -85,6 +85,8 @@ static const luaL_Reg regionLib[] = {
{"GetSolid",getSolid},
{"GetX",getX},
{"GetY",getY},
//the global macros
{"GetWidth",getWidth},
{"GetHeight",getHeight},
{"GetDepth",getDepth},
common/map/region_pager_api.cpp
+26 -1
View File
@@ -84,7 +84,22 @@ static int createRegion(lua_State* L) {
static int unloadRegion(lua_State* L) {
RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
pager->UnloadRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
//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;
}
@@ -116,6 +131,13 @@ static int setOnUnload(lua_State* L) {
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},
@@ -136,6 +158,9 @@ static const luaL_Reg regionPagerLib[] = {
{"SetOnCreate",setOnCreate},
{"SetOnUnload",setOnUnload},
//debugging
{"ContainerSize", containerSize},
//sentinel
{nullptr, nullptr}
};
common/map/region_pager_base.cpp
+10 -4
View File
@@ -24,6 +24,10 @@
#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);
@@ -88,12 +92,14 @@ Region* RegionPagerBase::CreateRegion(int x, int y) {
return &regionList.front();
}
void RegionPagerBase::UnloadRegion(int x, int y) {
regionList.remove_if([x, y](Region& region) -> bool {
return region.GetX() == x && region.GetY() == y;
});
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;
}
common/map/region_pager_base.hpp
+4 -3
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@@ -24,12 +24,13 @@
#include "region.hpp"
#include <functional>
#include <list>
class RegionPagerBase {
public:
RegionPagerBase() = default;
virtual ~RegionPagerBase() { UnloadAll(); };
virtual ~RegionPagerBase();
//tile manipulation
virtual Region::type_t SetTile(int x, int y, int z, Region::type_t v);
@@ -47,12 +48,12 @@ public:
virtual Region* LoadRegion(int x, int y);
virtual Region* SaveRegion(int x, int y);
virtual Region* CreateRegion(int x, int y);
virtual void UnloadRegion(int x, int y);
virtual void UnloadIf(std::function<bool(Region const&)> fn);
virtual void UnloadAll();
//accessors & mutators
std::list<Region>* GetContainer() { return &regionList; }
std::list<Region>* GetContainer();
protected:
std::list<Region> regionList;
};
common/map/region_pager_lua.cpp
+10 -3
View File
@@ -23,6 +23,9 @@
#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();
@@ -130,23 +133,25 @@ Region* RegionPagerLua::CreateRegion(int x, int y) {
}
//no return
void RegionPagerLua::UnloadRegion(int x, int y) {
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 (region.GetX() == x && region.GetY() == y) {
if (fn(region)) {
//push a copy of the function onto the stack with the region
lua_pushvalue(lua, -1);
lua_pushlightuserdata(lua, &region);
lua_pushlightuserdata(lua, static_cast<void*>(&region));
//call the function, 1 arg, 0 return
if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
@@ -171,6 +176,8 @@ void RegionPagerLua::UnloadAll() {
//check if this function is available
if (lua_isnil(lua, -1)) {
lua_pop(lua, 1);
//remove the regions anyway
regionList.clear();
return;
}
common/map/region_pager_lua.hpp
+2 -1
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@@ -30,6 +30,7 @@
#include "lua.hpp"
#endif
#include <functional>
#include <string>
class RegionPagerLua : public RegionPagerBase {
@@ -41,8 +42,8 @@ public:
Region* LoadRegion(int x, int y) override;
Region* SaveRegion(int x, int y) override;
Region* CreateRegion(int x, int y) override;
void UnloadRegion(int x, int y) override;
void UnloadIf(std::function<bool(Region const&)> fn) override;
void UnloadAll() override;
//accessors & mutators