ddnet/src/game/layers.cpp
2022-06-17 17:39:25 +02:00

213 lines
5.1 KiB
C++

/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
#include "layers.h"
#include "mapitems.h"
#include <engine/map.h>
CLayers::CLayers()
{
m_GroupsNum = 0;
m_GroupsStart = 0;
m_LayersNum = 0;
m_LayersStart = 0;
m_pGameGroup = 0;
m_pGameLayer = 0;
m_pMap = 0;
m_pTeleLayer = 0;
m_pSpeedupLayer = 0;
m_pFrontLayer = 0;
m_pSwitchLayer = 0;
m_pTuneLayer = 0;
}
void CLayers::Init(class IKernel *pKernel)
{
m_pMap = pKernel->RequestInterface<IMap>();
m_pMap->GetType(MAPITEMTYPE_GROUP, &m_GroupsStart, &m_GroupsNum);
m_pMap->GetType(MAPITEMTYPE_LAYER, &m_LayersStart, &m_LayersNum);
m_pTeleLayer = 0;
m_pSpeedupLayer = 0;
m_pFrontLayer = 0;
m_pSwitchLayer = 0;
m_pTuneLayer = 0;
for(int g = 0; g < NumGroups(); g++)
{
CMapItemGroup *pGroup = GetGroup(g);
for(int l = 0; l < pGroup->m_NumLayers; l++)
{
CMapItemLayer *pLayer = GetLayer(pGroup->m_StartLayer + l);
if(pLayer->m_Type == LAYERTYPE_TILES)
{
CMapItemLayerTilemap *pTilemap = reinterpret_cast<CMapItemLayerTilemap *>(pLayer);
if(pTilemap->m_Flags & TILESLAYERFLAG_GAME)
{
m_pGameLayer = pTilemap;
m_pGameGroup = pGroup;
// make sure the game group has standard settings
m_pGameGroup->m_OffsetX = 0;
m_pGameGroup->m_OffsetY = 0;
m_pGameGroup->m_ParallaxX = 100;
m_pGameGroup->m_ParallaxY = 100;
if(m_pGameGroup->m_Version >= 2)
{
m_pGameGroup->m_UseClipping = 0;
m_pGameGroup->m_ClipX = 0;
m_pGameGroup->m_ClipY = 0;
m_pGameGroup->m_ClipW = 0;
m_pGameGroup->m_ClipH = 0;
}
//break;
}
if(pTilemap->m_Flags & TILESLAYERFLAG_TELE)
{
if(pTilemap->m_Version <= 2)
{
pTilemap->m_Tele = *((int *)(pTilemap) + 15);
}
m_pTeleLayer = pTilemap;
}
if(pTilemap->m_Flags & TILESLAYERFLAG_SPEEDUP)
{
if(pTilemap->m_Version <= 2)
{
pTilemap->m_Speedup = *((int *)(pTilemap) + 16);
}
m_pSpeedupLayer = pTilemap;
}
if(pTilemap->m_Flags & TILESLAYERFLAG_FRONT)
{
if(pTilemap->m_Version <= 2)
{
pTilemap->m_Front = *((int *)(pTilemap) + 17);
}
m_pFrontLayer = pTilemap;
}
if(pTilemap->m_Flags & TILESLAYERFLAG_SWITCH)
{
if(pTilemap->m_Version <= 2)
{
pTilemap->m_Switch = *((int *)(pTilemap) + 18);
}
m_pSwitchLayer = pTilemap;
}
if(pTilemap->m_Flags & TILESLAYERFLAG_TUNE)
{
if(pTilemap->m_Version <= 2)
{
pTilemap->m_Tune = *((int *)(pTilemap) + 19);
}
m_pTuneLayer = pTilemap;
}
}
}
}
InitTilemapSkip();
}
void CLayers::InitBackground(class IMap *pMap)
{
m_pMap = pMap;
m_pMap->GetType(MAPITEMTYPE_GROUP, &m_GroupsStart, &m_GroupsNum);
m_pMap->GetType(MAPITEMTYPE_LAYER, &m_LayersStart, &m_LayersNum);
//following is here to prevent crash using standard map as background
m_pTeleLayer = 0;
m_pSpeedupLayer = 0;
m_pFrontLayer = 0;
m_pSwitchLayer = 0;
m_pTuneLayer = 0;
for(int g = 0; g < NumGroups(); g++)
{
CMapItemGroup *pGroup = GetGroup(g);
for(int l = 0; l < pGroup->m_NumLayers; l++)
{
CMapItemLayer *pLayer = GetLayer(pGroup->m_StartLayer + l);
if(pLayer->m_Type == LAYERTYPE_TILES)
{
CMapItemLayerTilemap *pTilemap = reinterpret_cast<CMapItemLayerTilemap *>(pLayer);
if(pTilemap->m_Flags & TILESLAYERFLAG_GAME)
{
m_pGameLayer = pTilemap;
m_pGameGroup = pGroup;
// make sure the game group has standard settings
m_pGameGroup->m_OffsetX = 0;
m_pGameGroup->m_OffsetY = 0;
m_pGameGroup->m_ParallaxX = 100;
m_pGameGroup->m_ParallaxY = 100;
if(m_pGameGroup->m_Version >= 2)
{
m_pGameGroup->m_UseClipping = 0;
m_pGameGroup->m_ClipX = 0;
m_pGameGroup->m_ClipY = 0;
m_pGameGroup->m_ClipW = 0;
m_pGameGroup->m_ClipH = 0;
}
//We don't care about tile layers.
}
}
}
}
InitTilemapSkip();
}
void CLayers::InitTilemapSkip()
{
for(int g = 0; g < NumGroups(); g++)
{
const CMapItemGroup *pGroup = GetGroup(g);
for(int l = 0; l < pGroup->m_NumLayers; l++)
{
const CMapItemLayer *pLayer = GetLayer(pGroup->m_StartLayer + l);
if(pLayer->m_Type == LAYERTYPE_TILES)
{
const CMapItemLayerTilemap *pTilemap = (CMapItemLayerTilemap *)pLayer;
CTile *pTiles = (CTile *)m_pMap->GetData(pTilemap->m_Data);
for(int y = 0; y < pTilemap->m_Height; y++)
{
for(int x = 1; x < pTilemap->m_Width;)
{
int SkippedX;
for(SkippedX = 1; x + SkippedX < pTilemap->m_Width && SkippedX < 255; SkippedX++)
{
if(pTiles[y * pTilemap->m_Width + x + SkippedX].m_Index)
break;
}
pTiles[y * pTilemap->m_Width + x].m_Skip = SkippedX - 1;
x += SkippedX;
}
}
}
}
}
}
CMapItemGroup *CLayers::GetGroup(int Index) const
{
return static_cast<CMapItemGroup *>(m_pMap->GetItem(m_GroupsStart + Index, 0, 0));
}
CMapItemLayer *CLayers::GetLayer(int Index) const
{
return static_cast<CMapItemLayer *>(m_pMap->GetItem(m_LayersStart + Index, 0, 0));
}