added everything
This commit is contained in:
Metario
228
engine/lightingSystem/sgDetailMapping.cc
Executable file
228
engine/lightingSystem/sgDetailMapping.cc
Executable file
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//-----------------------------------------------
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// Synapse Gaming - Lighting System
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// Copyright <20> Synapse Gaming 2003
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// Written by John Kabus
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//-----------------------------------------------
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#include "lightingSystem/sgLighting.h"
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#include "game/fx/particleEngine.h"
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#include "console/consoleTypes.h"
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#include "core/bitStream.h"
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#include "game/gameConnection.h"
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#include "sceneGraph/sceneGraph.h"
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#include "sim/netConnection.h"
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#include "dgl/materialPropertyMap.h"
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#include "lightingSystem/sgDetailMapping.h"
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void sgDetailMapping::sgInitDetailMapping(MaterialList *materials)
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{
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sgClearDetailMapping();
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// need this for DX to GL switch...
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sgMaterialsCache = materials;
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if(!LightManager::sgAllowDetailMaps())
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return;
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GBitmap *b = new GBitmap(2, 2);
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U8 *bits = b->getWritableBits();
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dMemset(bits, 127, b->byteSize);
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sgWhiteTexture = new TextureHandle(NULL, b);
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MaterialPropertyMap *materialprops = static_cast<MaterialPropertyMap *>(Sim::findObject("MaterialPropertyMap"));
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sgDetailMaps.setSize(materials->getMaterialCount());
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for(U32 i=0; i<materials->getMaterialCount(); i++)
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{
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const char* name = materials->getMaterialName(i);
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const MaterialPropertyMap::MapEntry* entry = materialprops->getMapEntry(name);
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// init this to NULL...
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sgDetailMaps[i] = NULL;
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// try to fill it out now...
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if((entry == NULL) || (entry->detailMapName == NULL))
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continue;
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// we're doing this by hand - Torque gives you no contol over mipmaps...
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// load the texture...
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GBitmap *bitmap = TextureManager::loadBitmapInstance(entry->detailMapName);
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if(!bitmap)
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continue;
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// make a deletable copy and use it to create the texture...
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// need to do this because BitmapTexture doesn't create mips (so refresh fails)...
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//GBitmap *bitmapcopy = new GBitmap(*bitmap);
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//TextureHandle *texture = new TextureHandle(NULL, bitmapcopy, DetailTexture);
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//TextureHandle *texture = new TextureHandle(NULL, bitmap);
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// manually extrude the original...
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bitmap->extrudeMipLevels();
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// fix the levels...
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F32 scale = (2.0f / F32(bitmap->getNumMipLevels()));
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F32 currentscale = 1.0f;
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for(U32 m=0; m<bitmap->getNumMipLevels(); m++)
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{
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for(U32 y=0; y<bitmap->getHeight(m); y++)
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{
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for(U32 x=0; x<bitmap->getWidth(m); x++)
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{
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// this is ugly, but it only happens on load...
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U8 *bits = bitmap->getAddress(x, y, m);
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F32 bit = bits[0];
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bits[0] = U8(((bit - 127.0f) * currentscale) + 127.0f);
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bit = bits[1];
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bits[1] = U8(((bit - 127.0f) * currentscale) + 127.0f);
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bit = bits[2];
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bits[2] = U8(((bit - 127.0f) * currentscale) + 127.0f);
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}
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}
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currentscale -= scale;
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currentscale = mClampF(currentscale, 0.0f, 1.0f);
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}
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// assign the bitmap...
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//TextureObject *obj = *texture;
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//obj->bitmap = bitmap;
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//obj->type = DetailTexture;
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// refresh...
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//texture->refresh();
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TextureHandle *texture = new TextureHandle(NULL, bitmap);
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// unlink and delete...
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//obj->bitmap = NULL;
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//delete bitmap;
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// keep link and set to keep texture (for DX/GL switch)...
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//obj->type = BitmapKeepTexture;
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// finally done...
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sgDetailMaps[i] = texture;
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}
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}
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void sgDetailMapping::sgBindDetailMap(U32 surfaceindex)
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{
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if(!LightManager::sgAllowDetailMaps())
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return;
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// DX to GL switch?
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if((sgDetailMaps.size() == 0) && (sgMaterialsCache))
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{
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sgInitDetailMapping(sgMaterialsCache);
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// don't want to go through that again...
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sgMaterialsCache = NULL;
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}
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// bailout...
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if(sgDetailMaps.size() <= surfaceindex)
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return;
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AssertFatal((sgDetailMaps.size() > surfaceindex), "Invalid surface index while detail mapping.");
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TextureHandle *texture = sgDetailMaps[surfaceindex];
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glActiveTextureARB(GL_TEXTURE2_ARB);
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if(!texture)
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glBindTexture(GL_TEXTURE_2D, sgWhiteTexture->getGLName());
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else
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glBindTexture(GL_TEXTURE_2D, texture->getGLName());
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glActiveTextureARB(GL_TEXTURE3_ARB);
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if(!texture)
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glBindTexture(GL_TEXTURE_2D, sgWhiteTexture->getGLName());
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else
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glBindTexture(GL_TEXTURE_2D, texture->getGLName());
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}
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void sgDetailMapping::sgClearDetailMapping()
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{
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sgMaterialsCache = NULL;
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if(sgWhiteTexture)
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{
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delete sgWhiteTexture;
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sgWhiteTexture = NULL;
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}
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for(U32 i=0; i<sgDetailMaps.size(); i++)
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delete sgDetailMaps[i];
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sgDetailMaps.clear();
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}
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void sgDetailMapping::sgEnableDetailMapping(void *buffer, U32 elementsize)
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{
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if(!LightManager::sgAllowDetailMaps())
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return;
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const F32 scale[16] = {4.0, 0.0, 0.0, 0.0,
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0.0, 4.0, 0.0, 0.0,
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0.0, 0.0, 4.0, 0.0,
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0.0, 0.0, 0.0, 1.0};
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const F32 scaleX4[16] = {8.0, 0.0, 0.0, 0.0,
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0.0, 8.0, 0.0, 0.0,
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0.0, 0.0, 8.0, 0.0,
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0.0, 0.0, 0.0, 1.0};
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glActiveTextureARB(GL_TEXTURE2_ARB);
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glEnable(GL_TEXTURE_2D);
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LightManager::sgSetupExposureRendering();
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glMatrixMode(GL_TEXTURE);
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glPushMatrix();
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glMultMatrixf(scale);
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glActiveTextureARB(GL_TEXTURE3_ARB);
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//glDisable(GL_TEXTURE_2D);
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glEnable(GL_TEXTURE_2D);
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LightManager::sgSetupExposureRendering();
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glMatrixMode(GL_TEXTURE);
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glPushMatrix();
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glMultMatrixf(scaleX4);
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glActiveTextureARB(GL_TEXTURE0_ARB);
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glClientActiveTextureARB(GL_TEXTURE2_ARB);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glTexCoordPointer(2, GL_FLOAT, elementsize, buffer);
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glClientActiveTextureARB(GL_TEXTURE3_ARB);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glTexCoordPointer(2, GL_FLOAT, elementsize, buffer);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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}
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void sgDetailMapping::sgDisableDetailMapping()
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{
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if(!LightManager::sgAllowDetailMaps())
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return;
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glClientActiveTextureARB(GL_TEXTURE3_ARB);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE2_ARB);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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glActiveTextureARB(GL_TEXTURE3_ARB);
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glMatrixMode(GL_TEXTURE);
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glPopMatrix();
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LightManager::sgResetExposureRendering();
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glDisable(GL_TEXTURE_2D);
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glActiveTextureARB(GL_TEXTURE2_ARB);
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glMatrixMode(GL_TEXTURE);
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glPopMatrix();
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LightManager::sgResetExposureRendering();
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glDisable(GL_TEXTURE_2D);
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glActiveTextureARB(GL_TEXTURE0_ARB);
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}
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