| 1 | /****************************************************************************** |
| 2 | * Arachnoid Graphics Plugin for Mupen64Plus |
| 3 | * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/ |
| 4 | * |
| 5 | * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version 2 |
| 10 | * of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | *****************************************************************************/ |
| 21 | |
| 22 | #include "RSPVertexManager.h" |
| 23 | #include "OpenGLManager.h" |
| 24 | #include "Memory.h" |
| 25 | #include "RSPMatrixManager.h" |
| 26 | #include "RSPLightManager.h" |
| 27 | #include "OpenGLRenderer.h" |
| 28 | #include "GBIDefs.h" //hmm |
| 29 | #include "MathLib.h" //Transform, Vec3Normalize |
| 30 | #include <cmath> //sqrt |
| 31 | #include "Logger.h" |
| 32 | |
| 33 | //Vertex |
| 34 | struct Vertex |
| 35 | { |
| 36 | //Position (x,y,z) |
| 37 | short y; |
| 38 | short x; |
| 39 | unsigned short flag; //Special Flags |
| 40 | short z; |
| 41 | |
| 42 | //TexCoords |
| 43 | short t; |
| 44 | short s; |
| 45 | |
| 46 | //Color or Normal |
| 47 | union |
| 48 | { |
| 49 | struct { unsigned char a; unsigned char b; unsigned char g; unsigned char r; } color; |
| 50 | struct { signed char a; signed char z; signed char y; signed char x; } normal; |
| 51 | }; |
| 52 | }; |
| 53 | |
| 54 | //Perfect Dark Vertex |
| 55 | struct PerfectDarkVertex |
| 56 | { |
| 57 | short y; |
| 58 | short x; |
| 59 | unsigned short ci; //Color Index |
| 60 | short z; |
| 61 | short t; |
| 62 | short s; |
| 63 | }; |
| 64 | |
| 65 | struct DKRTriangle |
| 66 | { |
| 67 | unsigned char v2, v1, v0, flag; |
| 68 | short t0, s0; |
| 69 | short t1, s1; |
| 70 | short t2, s2; |
| 71 | }; |
| 72 | |
| 73 | //----------------------------------------------------------------------------- |
| 74 | //! Constructor |
| 75 | //----------------------------------------------------------------------------- |
| 76 | RSPVertexManager::RSPVertexManager() |
| 77 | { |
| 78 | m_openGLMgr = 0; |
| 79 | m_memory = 0; |
| 80 | m_matrixMgr = 0; |
| 81 | } |
| 82 | |
| 83 | //----------------------------------------------------------------------------- |
| 84 | //! Destructor |
| 85 | //----------------------------------------------------------------------------- |
| 86 | RSPVertexManager::~RSPVertexManager() |
| 87 | { |
| 88 | |
| 89 | } |
| 90 | |
| 91 | //----------------------------------------------------------------------------- |
| 92 | //* Initialize |
| 93 | //----------------------------------------------------------------------------- |
| 94 | bool RSPVertexManager::initialize(OpenGLManager* openGLMgr, Memory* memory, RSPMatrixManager* matrixMgr, RSPLightManager* lightMgr) |
| 95 | { |
| 96 | m_openGLMgr = openGLMgr; |
| 97 | m_memory = memory; |
| 98 | m_matrixMgr = matrixMgr; |
| 99 | m_lightMgr = lightMgr; |
| 100 | m_texCoordGenType = TCGT_NONE; |
| 101 | m_rdramOffset = 0; |
| 102 | m_billboard = false; |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | //----------------------------------------------------------------------------- |
| 107 | // Set Vertices |
| 108 | //----------------------------------------------------------------------------- |
| 109 | void RSPVertexManager::setVertices( unsigned int address, unsigned int numVertices, unsigned int firstVertexIndex) |
| 110 | { |
| 111 | //Make sure address is valid |
| 112 | if ((address + sizeof( Vertex ) * numVertices) > m_memory->getRDRAMSize()) { |
| 113 | return; |
| 114 | } |
| 115 | |
| 116 | //Get vertex from rdram |
| 117 | Vertex *vertex = (Vertex*) m_memory->getRDRAM(address); |
| 118 | |
| 119 | //Avoid overflow. There can only be MAX_VERTICES in size. |
| 120 | if ( numVertices+firstVertexIndex >= MAX_VERTICES) |
| 121 | { |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | //For each vertex |
| 126 | for (unsigned int i=firstVertexIndex; i <numVertices+firstVertexIndex; ++i) |
| 127 | { |
| 128 | m_vertices[i].x = vertex->x; |
| 129 | m_vertices[i].y = vertex->y; |
| 130 | m_vertices[i].z = vertex->z; |
| 131 | m_vertices[i].flag = vertex->flag; |
| 132 | m_vertices[i].s = _FIXED2FLOAT( vertex->s, 5 ); |
| 133 | m_vertices[i].t = _FIXED2FLOAT( vertex->t, 5 ); |
| 134 | |
| 135 | if ( m_lightMgr->getLightEnabled() ) |
| 136 | { |
| 137 | m_vertices[i].nx = vertex->normal.x; |
| 138 | m_vertices[i].ny = vertex->normal.y; |
| 139 | m_vertices[i].nz = vertex->normal.z; |
| 140 | m_vertices[i].a = vertex->color.a * 0.0039215689f; |
| 141 | } |
| 142 | else |
| 143 | { |
| 144 | m_vertices[i].r = vertex->color.r * 0.0039215689f; |
| 145 | m_vertices[i].g = vertex->color.g * 0.0039215689f; |
| 146 | m_vertices[i].b = vertex->color.b * 0.0039215689f; |
| 147 | m_vertices[i].a = vertex->color.a * 0.0039215689f; |
| 148 | } |
| 149 | |
| 150 | _processVertex(i); |
| 151 | vertex++; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | //----------------------------------------------------------------------------- |
| 156 | // Modify Vertex |
| 157 | //----------------------------------------------------------------------------- |
| 158 | void RSPVertexManager::modifyVertex( unsigned int vtx, unsigned int where, unsigned int val ) |
| 159 | { |
| 160 | switch (where) |
| 161 | { |
| 162 | case G_MWO_POINT_RGBA: |
| 163 | m_vertices[vtx].r = _SHIFTR( val, 24, 8 ) * 0.0039215689f; |
| 164 | m_vertices[vtx].g = _SHIFTR( val, 16, 8 ) * 0.0039215689f; |
| 165 | m_vertices[vtx].b = _SHIFTR( val, 8, 8 ) * 0.0039215689f; |
| 166 | m_vertices[vtx].a = _SHIFTR( val, 0, 8 ) * 0.0039215689f; |
| 167 | break; |
| 168 | case G_MWO_POINT_ST: |
| 169 | m_vertices[vtx].s = _FIXED2FLOAT( (short)_SHIFTR( val, 16, 16 ), 5 ); |
| 170 | m_vertices[vtx].t = _FIXED2FLOAT( (short)_SHIFTR( val, 0, 16 ), 5 ); |
| 171 | break; |
| 172 | case G_MWO_POINT_XYSCREEN: |
| 173 | break; |
| 174 | case G_MWO_POINT_ZSCREEN: |
| 175 | break; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | void RSPVertexManager::setVertexColor(unsigned int vertexIndex, float r, float g, float b, float a) |
| 180 | { |
| 181 | m_vertices[vertexIndex].r = r; |
| 182 | m_vertices[vertexIndex].g = g; |
| 183 | m_vertices[vertexIndex].b = b; |
| 184 | m_vertices[vertexIndex].a = a; |
| 185 | } |
| 186 | |
| 187 | void RSPVertexManager::setVertexTextureCoord(unsigned int vertexIndex, float s, float t) |
| 188 | { |
| 189 | m_vertices[vertexIndex].s = s; |
| 190 | m_vertices[vertexIndex].t = t; |
| 191 | } |
| 192 | |
| 193 | |
| 194 | //----------------------------------------------------------------------------- |
| 195 | // ? |
| 196 | //----------------------------------------------------------------------------- |
| 197 | void RSPVertexManager::ciVertex(unsigned int segmentAddress, unsigned int numVertices, unsigned int firstVertexIndex) |
| 198 | { |
| 199 | unsigned int rdramAddress = m_memory->getRDRAMAddress(segmentAddress); |
| 200 | |
| 201 | if ((rdramAddress + sizeof(PerfectDarkVertex) * numVertices) > m_memory->getRDRAMSize()) |
| 202 | { |
| 203 | return; |
| 204 | } |
| 205 | |
| 206 | PerfectDarkVertex* vertex = (PerfectDarkVertex*)m_memory->getRDRAM(rdramAddress); |
| 207 | |
| 208 | //Avoid overflow. There can only be MAX_VERTICES in size. |
| 209 | if ( numVertices+firstVertexIndex >= MAX_VERTICES) |
| 210 | { |
| 211 | return; |
| 212 | } |
| 213 | |
| 214 | //For each vertex |
| 215 | for (unsigned int i=firstVertexIndex; i <numVertices+firstVertexIndex; ++i) |
| 216 | { |
| 217 | m_vertices[i].x = vertex->x; |
| 218 | m_vertices[i].y = vertex->y; |
| 219 | m_vertices[i].z = vertex->z; |
| 220 | m_vertices[i].flag = 0; |
| 221 | m_vertices[i].s = _FIXED2FLOAT( vertex->s, 5 ); |
| 222 | m_vertices[i].t = _FIXED2FLOAT( vertex->t, 5 ); |
| 223 | |
| 224 | //Get color |
| 225 | unsigned char* color = m_memory->getRDRAM(m_colorBaseRDRAMAddress + (vertex->ci & 0xff)); |
| 226 | |
| 227 | //Assign color |
| 228 | if ( m_lightMgr->getLightEnabled() ) |
| 229 | { |
| 230 | m_vertices[i].nx = (short)color[3]; |
| 231 | m_vertices[i].ny = (short)color[2]; |
| 232 | m_vertices[i].nz = (short)color[1]; |
| 233 | m_vertices[i].a = color[0] * 0.0039215689f; |
| 234 | } |
| 235 | else |
| 236 | { |
| 237 | m_vertices[i].r = color[3] * 0.0039215689f; |
| 238 | m_vertices[i].g = color[2] * 0.0039215689f; |
| 239 | m_vertices[i].b = color[1] * 0.0039215689f; |
| 240 | m_vertices[i].a = color[0] * 0.0039215689f; |
| 241 | } |
| 242 | |
| 243 | _processVertex( i ); |
| 244 | vertex++; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | //----------------------------------------------------------------------------- |
| 249 | // ? |
| 250 | //----------------------------------------------------------------------------- |
| 251 | void RSPVertexManager::DMAVertex( unsigned int v, unsigned int numVertices, unsigned int firstVertexIndex) |
| 252 | { |
| 253 | unsigned int address = m_rdramOffset + m_memory->getRDRAMAddress( v ); |
| 254 | |
| 255 | if ((address + 10 * numVertices) > m_memory->getRDRAMSize()) |
| 256 | { |
| 257 | return; |
| 258 | } |
| 259 | |
| 260 | unsigned char* RDRAM = m_memory->getRDRAM(); |
| 261 | |
| 262 | if ((numVertices + firstVertexIndex) < (80)) |
| 263 | { |
| 264 | for (unsigned int i = firstVertexIndex; i < numVertices + firstVertexIndex; i++) |
| 265 | { |
| 266 | m_vertices[i].x = *(short*)&RDRAM[address ^ 2]; |
| 267 | m_vertices[i].y = *(short*)&RDRAM[(address + 2) ^ 2]; |
| 268 | m_vertices[i].z = *(short*)&RDRAM[(address + 4) ^ 2]; |
| 269 | |
| 270 | if ( m_lightMgr->getLightEnabled() ) |
| 271 | { |
| 272 | m_vertices[i].nx = *(char*)&RDRAM[(address + 6) ^ 3]; |
| 273 | m_vertices[i].ny = *(char*)&RDRAM[(address + 7) ^ 3]; |
| 274 | m_vertices[i].nz = *(char*)&RDRAM[(address + 8) ^ 3]; |
| 275 | m_vertices[i].a = *(unsigned char*)&RDRAM[(address + 9) ^ 3] * 0.0039215689f; |
| 276 | } |
| 277 | else |
| 278 | { |
| 279 | m_vertices[i].r = *(unsigned char*)&RDRAM[(address + 6) ^ 3] * 0.0039215689f; |
| 280 | m_vertices[i].g = *(unsigned char*)&RDRAM[(address + 7) ^ 3] * 0.0039215689f; |
| 281 | m_vertices[i].b = *(unsigned char*)&RDRAM[(address + 8) ^ 3] * 0.0039215689f; |
| 282 | m_vertices[i].a = *(unsigned char*)&RDRAM[(address + 9) ^ 3] * 0.0039215689f; |
| 283 | } |
| 284 | |
| 285 | _processVertex( i ); |
| 286 | |
| 287 | address += 10; |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | //----------------------------------------------------------------------------- |
| 293 | // ? |
| 294 | //----------------------------------------------------------------------------- |
| 295 | void RSPVertexManager::DMAOffsets( unsigned int mtxoffset, unsigned int vtxoffset ) |
| 296 | { |
| 297 | static bool warned = false; |
| 298 | if ( !warned ) { |
| 299 | Logger::getSingleton().printMsg("VertexManager - DMAOffsets - Unimplemented", M64MSG_WARNING); |
| 300 | warned = true; |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | //----------------------------------------------------------------------------- |
| 305 | //! @param v0 Index of first vertex in triangle |
| 306 | //! @param v1 Index of second vertex in triangle |
| 307 | //! @param v2 Index of third vertex in triangle |
| 308 | //----------------------------------------------------------------------------- |
| 309 | bool RSPVertexManager::add1Triangle(unsigned int v0, unsigned int v1, unsigned int v2 ) |
| 310 | { |
| 311 | bool triangleAdded = false; |
| 312 | |
| 313 | if (true)//IsTriangleVisible(dwV0, dwV1, dwV2)) |
| 314 | { |
| 315 | if ( !((v0 < MAX_VERTICES) && (v1 < MAX_VERTICES) && (v2 < MAX_VERTICES)) ) |
| 316 | { |
| 317 | return false; |
| 318 | } |
| 319 | |
| 320 | // Don't bother with triangles completely outside clipping frustrum |
| 321 | if (((m_vertices[v0].xClip < 0.0f) && (m_vertices[v1].xClip < 0.0f) && (m_vertices[v2].xClip < 0.0f)) || |
| 322 | ((m_vertices[v0].xClip > 0.0f) && (m_vertices[v1].xClip > 0.0f) && (m_vertices[v2].xClip > 0.0f)) || |
| 323 | ((m_vertices[v0].yClip < 0.0f) && (m_vertices[v1].yClip < 0.0f) && (m_vertices[v2].yClip < 0.0f)) || |
| 324 | ((m_vertices[v0].yClip > 0.0f) && (m_vertices[v1].yClip > 0.0f) && (m_vertices[v2].yClip > 0.0f)) || |
| 325 | ((m_vertices[v0].zClip > 0.1f) && (m_vertices[v1].zClip > 0.1f) && (m_vertices[v2].zClip > 0.1f)) || |
| 326 | ((m_vertices[v0].zClip < -0.1f) && (m_vertices[v1].zClip < -0.1f) && (m_vertices[v2].zClip < -0.1f)) ) |
| 327 | { |
| 328 | return false; |
| 329 | } |
| 330 | triangleAdded = true; |
| 331 | |
| 332 | //Add vertex to vertex buffer |
| 333 | OpenGLRenderer::getSingleton().addTriangle( m_vertices, v0, v1, v2 ); |
| 334 | } |
| 335 | |
| 336 | return triangleAdded; |
| 337 | } |
| 338 | |
| 339 | void RSPVertexManager::add2Triangles( int v00, int v01, int v02, int flag0, |
| 340 | int v10, int v11, int v12, int flag1 ) |
| 341 | { |
| 342 | //implemented by calling add1Triangle multiple times |
| 343 | |
| 344 | static bool warned = false; |
| 345 | if ( !warned ) { |
| 346 | Logger::getSingleton().printMsg("VertexManager - add2Triangles - Unimplemented", M64MSG_WARNING); |
| 347 | warned = true; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | void RSPVertexManager::add4Triangles( int v00, int v01, int v02, |
| 352 | int v10, int v11, int v12, |
| 353 | int v20, int v21, int v22, |
| 354 | int v30, int v31, int v32 ) |
| 355 | { |
| 356 | //implemented by calling add1Triangle multiple times |
| 357 | |
| 358 | |
| 359 | static bool warned = false; |
| 360 | if ( !warned ) { |
| 361 | Logger::getSingleton().printMsg("VertexManager - add4Triangles - Unimplemented", M64MSG_WARNING); |
| 362 | warned = true; |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | //! @todo Set culling |
| 367 | void RSPVertexManager::addDMATriangles( unsigned int tris, unsigned int n ) |
| 368 | { |
| 369 | unsigned int address = m_memory->getRDRAMAddress(tris); |
| 370 | |
| 371 | if (address + sizeof( DKRTriangle ) * n > m_memory->getRDRAMSize() ) |
| 372 | { |
| 373 | return; |
| 374 | } |
| 375 | |
| 376 | DKRTriangle *triangles = (DKRTriangle*)m_memory->getRDRAM(address); |
| 377 | |
| 378 | for (unsigned int i = 0; i < n; i++) |
| 379 | { |
| 380 | //TODO Set culling |
| 381 | //gSP.geometryMode &= ~G_CULL_BOTH; |
| 382 | //if (!(triangles->flag & 0x40)) |
| 383 | //{ |
| 384 | // if (gSP.viewport.vscale[0] > 0) |
| 385 | // gSP.geometryMode |= G_CULL_BACK; |
| 386 | // else |
| 387 | // gSP.geometryMode |= G_CULL_FRONT; |
| 388 | //} |
| 389 | //gSP.changed |= CHANGED_GEOMETRYMODE; |
| 390 | glDisable(GL_CULL_FACE); |
| 391 | |
| 392 | m_vertices[triangles->v0].s = _FIXED2FLOAT( triangles->s0, 5 ); |
| 393 | m_vertices[triangles->v0].t = _FIXED2FLOAT( triangles->t0, 5 ); |
| 394 | m_vertices[triangles->v1].s = _FIXED2FLOAT( triangles->s1, 5 ); |
| 395 | m_vertices[triangles->v1].t = _FIXED2FLOAT( triangles->t1, 5 ); |
| 396 | m_vertices[triangles->v2].s = _FIXED2FLOAT( triangles->s2, 5 ); |
| 397 | m_vertices[triangles->v2].t = _FIXED2FLOAT( triangles->t2, 5 ); |
| 398 | |
| 399 | add1Triangle( triangles->v0, triangles->v1, triangles->v2 /*, 0 */ ); |
| 400 | |
| 401 | triangles++; |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | |
| 406 | void RSPVertexManager::setConkerAddress(unsigned int segmentAddress) |
| 407 | { |
| 408 | m_conkerRDRAMAddress = m_memory->getRDRAMAddress(segmentAddress); |
| 409 | } |
| 410 | |
| 411 | |
| 412 | void RSPVertexManager::add1Quadrangle( int v0, int v1, int v2, int v4 ) |
| 413 | { |
| 414 | //implemented by calling add1Triangle multiple times |
| 415 | |
| 416 | static bool warned = false; |
| 417 | if ( !warned ) { |
| 418 | Logger::getSingleton().printMsg("VertexManager - add1Quadrangle - Unimplemented", M64MSG_WARNING); |
| 419 | warned = true; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | |
| 424 | inline float DotProduct( float* v0, float* v1 ) |
| 425 | { |
| 426 | float dot; |
| 427 | dot = v0[0] * v1[0] + v0[1] * v1[1] + v0[2] * v1[2]; |
| 428 | return dot; |
| 429 | } |
| 430 | |
| 431 | |
| 432 | void RSPVertexManager::_processVertex( unsigned int v ) |
| 433 | { |
| 434 | // float intensity; |
| 435 | // float r, g, b; |
| 436 | |
| 437 | transformVertex( m_matrixMgr->getViewProjectionMatrix(), &m_vertices[v].x, &m_vertices[v].x); |
| 438 | //TransformVertex( &m_vertices[v].x, m_worldProject ); |
| 439 | |
| 440 | |
| 441 | if ( m_billboard ) |
| 442 | { |
| 443 | m_vertices[v].x += m_vertices[0].x; |
| 444 | m_vertices[v].y += m_vertices[0].y; |
| 445 | m_vertices[v].z += m_vertices[0].z; |
| 446 | m_vertices[v].w += m_vertices[0].w; |
| 447 | } |
| 448 | |
| 449 | |
| 450 | if ( !OpenGLManager::getSingleton().getZBufferEnabled() ) |
| 451 | { |
| 452 | m_vertices[v].z = -m_vertices[v].w; |
| 453 | } |
| 454 | |
| 455 | //Temporary variables |
| 456 | float intensity; |
| 457 | float r, g, b; |
| 458 | |
| 459 | if ( m_lightMgr->getLightEnabled() ) |
| 460 | { |
| 461 | //Transform normal |
| 462 | transformVector( m_matrixMgr->getModelViewMatrix(), &m_vertices[v].nx, &m_vertices[v].nx ); |
| 463 | Vec3Normalize( &m_vertices[v].nx ); |
| 464 | |
| 465 | //Get Ambient Color |
| 466 | const float* ambientColor = m_lightMgr->getAmbientLight(); |
| 467 | r = ambientColor[0]; |
| 468 | g = ambientColor[1]; |
| 469 | b = ambientColor[2]; |
| 470 | |
| 471 | for (int i=0; i<m_lightMgr->getNumLights(); ++i) |
| 472 | { |
| 473 | intensity = DotProduct( (float*)&m_vertices[v].nx, (float*)m_lightMgr->getLightDirection(i) ); |
| 474 | |
| 475 | if (intensity < 0.0f) intensity = 0.0f; |
| 476 | |
| 477 | const float* lightColor = m_lightMgr->getLightColor(i); |
| 478 | r += lightColor[0] * intensity; |
| 479 | g += lightColor[1] * intensity; |
| 480 | b += lightColor[2] * intensity; |
| 481 | } |
| 482 | |
| 483 | //Set Color |
| 484 | m_vertices[v].r = r; |
| 485 | m_vertices[v].g = g; |
| 486 | m_vertices[v].b = b; |
| 487 | } |
| 488 | |
| 489 | //Texture Generation |
| 490 | if ( m_texCoordGenType != TCGT_NONE ) |
| 491 | { |
| 492 | transformVector( m_matrixMgr->getProjectionMatrix(), &m_vertices[v].nx, &m_vertices[v].nx ); |
| 493 | |
| 494 | Vec3Normalize( &m_vertices[v].nx ); |
| 495 | |
| 496 | if ( m_texCoordGenType == TCGT_LINEAR ) |
| 497 | { |
| 498 | m_vertices[v].s = acosf(m_vertices[v].nx) * 325.94931f; |
| 499 | m_vertices[v].t = acosf(m_vertices[v].ny) * 325.94931f; |
| 500 | } |
| 501 | else // TGT_GEN |
| 502 | { |
| 503 | m_vertices[v].s = (m_vertices[v].nx + 1.0f) * 512.0f; |
| 504 | m_vertices[v].t = (m_vertices[v].ny + 1.0f) * 512.0f; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | //Clipping |
| 509 | if (m_vertices[v].x < -m_vertices[v].w) |
| 510 | m_vertices[v].xClip = -1.0f; |
| 511 | else if (m_vertices[v].x > m_vertices[v].w) |
| 512 | m_vertices[v].xClip = 1.0f; |
| 513 | else |
| 514 | m_vertices[v].xClip = 0.0f; |
| 515 | |
| 516 | if (m_vertices[v].y < -m_vertices[v].w) |
| 517 | m_vertices[v].yClip = -1.0f; |
| 518 | else if (m_vertices[v].y > m_vertices[v].w) |
| 519 | m_vertices[v].yClip = 1.0f; |
| 520 | else |
| 521 | m_vertices[v].yClip = 0.0f; |
| 522 | |
| 523 | if (m_vertices[v].w <= 0.0f) |
| 524 | m_vertices[v].zClip = -1.0f; |
| 525 | else if (m_vertices[v].z < -m_vertices[v].w) |
| 526 | m_vertices[v].zClip = -0.1f; |
| 527 | else if (m_vertices[v].z > m_vertices[v].w) |
| 528 | m_vertices[v].zClip = 1.0f; |
| 529 | else |
| 530 | m_vertices[v].zClip = 0.0f; |
| 531 | |
| 532 | } |
| 533 | |
| 534 | |
| 535 | void RSPVertexManager::addConkerVertices(unsigned int segmentAddress, unsigned int n, unsigned int v0 ) |
| 536 | { |
| 537 | unsigned int numVertices = n; |
| 538 | unsigned int firstVertexIndex = v0; |
| 539 | unsigned int address = m_memory->getRDRAMAddress( segmentAddress ); |
| 540 | |
| 541 | //Make sure address is valid |
| 542 | if ((address + sizeof( Vertex ) * numVertices) > m_memory->getRDRAMSize()) { |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | //Get vertex from rdram |
| 547 | Vertex *vertex = (Vertex*) m_memory->getRDRAM(address); |
| 548 | |
| 549 | |
| 550 | //For each vertex |
| 551 | for (unsigned int i=firstVertexIndex; i <numVertices+firstVertexIndex; ++i) |
| 552 | { |
| 553 | m_vertices[i].x = vertex->x; |
| 554 | m_vertices[i].y = vertex->y; |
| 555 | m_vertices[i].z = vertex->z; |
| 556 | m_vertices[i].flag = vertex->flag; |
| 557 | m_vertices[i].s = _FIXED2FLOAT( vertex->s, 5 ); |
| 558 | m_vertices[i].t = _FIXED2FLOAT( vertex->t, 5 ); |
| 559 | |
| 560 | if ( m_lightMgr->getLightEnabled() ) |
| 561 | { |
| 562 | m_vertices[i].nx = vertex->normal.x; |
| 563 | m_vertices[i].ny = vertex->normal.y; |
| 564 | m_vertices[i].nz = vertex->normal.z; |
| 565 | m_vertices[i].a = vertex->color.a * 0.0039215689f; |
| 566 | } |
| 567 | else |
| 568 | { |
| 569 | m_vertices[i].r = vertex->color.r * 0.0039215689f; |
| 570 | m_vertices[i].g = vertex->color.g * 0.0039215689f; |
| 571 | m_vertices[i].b = vertex->color.b * 0.0039215689f; |
| 572 | m_vertices[i].a = vertex->color.a * 0.0039215689f; |
| 573 | } |
| 574 | |
| 575 | _processVertex(i); |
| 576 | vertex++; |
| 577 | } |
| 578 | } |