1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/3deng/textureman.cpp	Thu Oct 23 01:46:07 2014 +0300
     1.3 @@ -0,0 +1,199 @@
     1.4 +#include "textureman.h"
     1.5 +#include "3dengine.h"
     1.6 +#include "d3dx8.h"
     1.7 +
     1.8 +using std::string;
     1.9 +
    1.10 +template <class KeyType>
    1.11 +unsigned int Hash(const KeyType &key, unsigned long size) {
    1.12 +	string str = (string)key;
    1.13 +	return ((unsigned int)str[0] + (unsigned int)str[1] + (unsigned int)str[2]) % size;
    1.14 +}
    1.15 +
    1.16 +TextureManager::TextureManager(GraphicsContext *gc) {
    1.17 +	this->gc = gc;
    1.18 +	notfilecount = 0;
    1.19 +
    1.20 +	textures.SetHashFunction(Hash);
    1.21 +
    1.22 +	CreateStockTextures();
    1.23 +}
    1.24 +
    1.25 +TextureManager::~TextureManager() {}
    1.26 +
    1.27 +#define STOCKSIZE	256
    1.28 +#include <cassert>
    1.29 +
    1.30 +void TextureManager::CreateStockTextures() {
    1.31 +	Surface *surf;
    1.32 +
    1.33 +	// ----- 1/d^2 blob texture -----
    1.34 +	Texture *tmp = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true, true);
    1.35 +	tmp->GetSurfaceLevel(0, &surf);
    1.36 +	
    1.37 +	dword *ptr, offs;
    1.38 +	D3DLOCKED_RECT d3dlock;
    1.39 +	assert(surf->LockRect(&d3dlock, 0, 0) == D3D_OK);
    1.40 +	ptr = (dword*)d3dlock.pBits;
    1.41 +	offs = (d3dlock.Pitch >> 2) - STOCKSIZE;
    1.42 +
    1.43 +	Vector2 Center((float)(STOCKSIZE>>1), (float)(STOCKSIZE>>1));
    1.44 +
    1.45 +	for(int y=0; y<STOCKSIZE; y++) {
    1.46 +		for(int x=0; x<STOCKSIZE; x++) {
    1.47 +			Vector2 pos((float)x, (float)y);
    1.48 +			float p = 100.0f / (pos - Center).LengthSq();
    1.49 +
    1.50 +			Color col(p, p, p, p);
    1.51 +			*ptr++ = col.GetPacked32();
    1.52 +		}
    1.53 +		ptr += offs;
    1.54 +	}
    1.55 +
    1.56 +	surf->UnlockRect();
    1.57 +
    1.58 +	Texture *Blob = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true);
    1.59 +	gc->D3DDevice->UpdateTexture(tmp, Blob);
    1.60 +
    1.61 +	UpdateMipmapChain(Blob);
    1.62 +
    1.63 +	AddTexture(Blob, "STOCKTEX_BLOB");
    1.64 +	tmp->Release();
    1.65 +
    1.66 +	// ----- chessboard texture -----
    1.67 +
    1.68 +	tmp = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true, true);
    1.69 +	tmp->GetSurfaceLevel(0, &surf);
    1.70 +	
    1.71 +	assert(surf->LockRect(&d3dlock, 0, 0) == D3D_OK);
    1.72 +	ptr = (dword*)d3dlock.pBits;
    1.73 +	offs = (d3dlock.Pitch >> 2) - STOCKSIZE;
    1.74 +
    1.75 +	for(int y=0; y<STOCKSIZE; y++) {
    1.76 +		for(int x=0; x<STOCKSIZE; x++) {
    1.77 +			int dx = x - (STOCKSIZE>>1);
    1.78 +			int dy = y - (STOCKSIZE>>1);
    1.79 +			if((dx > 0 && dy > 0) || (dx < 0 && dy < 0)) {
    1.80 +				*ptr++ = 0xffffffff;
    1.81 +			} else {
    1.82 +				*ptr++ = 0xff000000;
    1.83 +			}
    1.84 +		}
    1.85 +		ptr += offs;
    1.86 +	}
    1.87 +
    1.88 +	surf->UnlockRect();
    1.89 +
    1.90 +	Texture *ChessBoard = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true);
    1.91 +	gc->D3DDevice->UpdateTexture(tmp, ChessBoard);
    1.92 +
    1.93 +	UpdateMipmapChain(ChessBoard);
    1.94 +
    1.95 +	AddTexture(ChessBoard, "STOCKTEX_CHESSBOARD");
    1.96 +	tmp->Release();
    1.97 +
    1.98 +	// ----- grid texture -----
    1.99 +
   1.100 +	tmp = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true, true);
   1.101 +	tmp->GetSurfaceLevel(0, &surf);
   1.102 +	
   1.103 +	assert(surf->LockRect(&d3dlock, 0, 0) == D3D_OK);
   1.104 +	ptr = (dword*)d3dlock.pBits;
   1.105 +	offs = (d3dlock.Pitch >> 2) - STOCKSIZE;
   1.106 +
   1.107 +	for(int y=0; y<STOCKSIZE; y++) {
   1.108 +		for(int x=0; x<STOCKSIZE; x++) {
   1.109 +			if(x == 0 || x == STOCKSIZE-1 || y == 0 || y == STOCKSIZE-1) {
   1.110 +				*ptr++ = 0xffffffff;
   1.111 +			} else {
   1.112 +				*ptr++ = 0xff000000;
   1.113 +			}
   1.114 +		}
   1.115 +		ptr += offs;
   1.116 +	}
   1.117 +
   1.118 +	surf->UnlockRect();
   1.119 +
   1.120 +	Texture *Grid = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true);
   1.121 +	gc->D3DDevice->UpdateTexture(tmp, Grid);
   1.122 +
   1.123 +	UpdateMipmapChain(Grid);
   1.124 +
   1.125 +	AddTexture(Grid, "STOCKTEX_GRID");
   1.126 +	tmp->Release();
   1.127 +
   1.128 +
   1.129 +	// ---------- biased linear falloff ---------
   1.130 +	tmp = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true, true);
   1.131 +	tmp->GetSurfaceLevel(0, &surf);
   1.132 +	
   1.133 +	assert(surf->LockRect(&d3dlock, 0, 0) == D3D_OK);
   1.134 +	ptr = (dword*)d3dlock.pBits;
   1.135 +	offs = (d3dlock.Pitch >> 2) - STOCKSIZE;
   1.136 +
   1.137 +	Center = Vector2((float)(STOCKSIZE>>1), (float)(STOCKSIZE>>1));
   1.138 +
   1.139 +	for(int y=0; y<STOCKSIZE; y++) {
   1.140 +		for(int x=0; x<STOCKSIZE; x++) {
   1.141 +			Vector2 pos((float)x, (float)y);
   1.142 +			float dist = (pos - Center).Length();
   1.143 +			// f[x] / ((1/b - 2) * (1 - f[x]) + 1)
   1.144 +			float b = 0.3f;
   1.145 +			float p = dist ? ((STOCKSIZE - dist) / STOCKSIZE) / ((1/b-2) * (1-((STOCKSIZE - dist) / STOCKSIZE)) + 1) : 1.0f;
   1.146 +			
   1.147 +			Color col(p, p, p, p);
   1.148 +			*ptr++ = col.GetPacked32();
   1.149 +		}
   1.150 +		ptr += offs;
   1.151 +	}
   1.152 +
   1.153 +	surf->UnlockRect();
   1.154 +
   1.155 +	Texture *Blofm = CreateTexture(STOCKSIZE, STOCKSIZE, 0, true);
   1.156 +	gc->D3DDevice->UpdateTexture(tmp, Blofm);
   1.157 +
   1.158 +	UpdateMipmapChain(Blofm);
   1.159 +
   1.160 +	AddTexture(Blofm, "STOCKTEX_BLOFM");
   1.161 +	tmp->Release();
   1.162 +}
   1.163 +
   1.164 +void TextureManager::SetGraphicsContext(GraphicsContext *gc) {
   1.165 +	this->gc = gc;
   1.166 +}
   1.167 +
   1.168 +Texture *TextureManager::LoadTexture(const char *fname) {
   1.169 +	if(!gc || !fname) return 0;
   1.170 +
   1.171 +	Texture *tex;
   1.172 +
   1.173 +	Pair<string, Texture*> *p;
   1.174 +	if(!(p = textures.Find(fname))) {
   1.175 +        if(D3DXCreateTextureFromFile(gc->D3DDevice, fname, &tex) != D3D_OK) return 0;
   1.176 +		textures.Insert(fname, tex);
   1.177 +	} else {
   1.178 +		tex = p->val;
   1.179 +	}
   1.180 +
   1.181 +	return tex;
   1.182 +}
   1.183 +
   1.184 +Texture *TextureManager::CreateTexture(dword x, dword y, dword usage, bool mipmaps, bool local) {
   1.185 +	if(!gc) return 0;
   1.186 +	Texture *tex;
   1.187 +	D3DPOOL pool = local ? D3DPOOL_SYSTEMMEM : D3DPOOL_DEFAULT;
   1.188 +	D3DFORMAT fmt = usage == UsageDepthStencil ? gc->ZFormat : D3DFMT_A8R8G8B8;
   1.189 +	if(usage == UsageDepthStencil) pool = D3DPOOL_MANAGED;
   1.190 +	if(gc->D3DDevice->CreateTexture(x, y, (int)(!mipmaps), usage, fmt, pool, &tex) != D3D_OK) return 0;
   1.191 +	return tex;
   1.192 +}
   1.193 +
   1.194 +Texture *TextureManager::AddTexture(Texture *tex, const char *name) {
   1.195 +	string fname = name ? name : "not_a_file_" + notfilecount;
   1.196 +	textures.Insert(fname, tex);
   1.197 +	return tex;
   1.198 +}
   1.199 +
   1.200 +Texture *TextureManager::AddTexture(const char *fname) {
   1.201 +	return LoadTexture(fname);
   1.202 +}
   1.203 \ No newline at end of file