Start floor particles
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71b1230880
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fde803bb18
2 changed files with 66 additions and 11 deletions
64
renderer.h
64
renderer.h
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@ -21,6 +21,7 @@
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// ^ just S3L_FRACTIONS_PER_UNIT leaves some tris bugging
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#define LCR_RENDERER_CHUNK_RESOLUTION 4 // do not change
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#define LCR_RENDERER_LOD_BLOCKS 64 // do not change
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#define LCR_RENDERER_CHUNK_SIZE_HORIZONTAL \
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((LCR_MAP_SIZE_BLOCKS * LCR_RENDERER_UNIT) / LCR_RENDERER_CHUNK_RESOLUTION)
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@ -28,17 +29,21 @@
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#define LCR_RENDERER_CHUNKS_TOTAL (LCR_RENDERER_CHUNK_RESOLUTION * \
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LCR_RENDERER_CHUNK_RESOLUTION * LCR_RENDERER_CHUNK_RESOLUTION)
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#define LCR_RENDERER_LOD_BLOCKS 64
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#define LCR_RENDERER_MODEL_COUNT 8
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struct
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{
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S3L_Scene scene;
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S3L_Model3D mapModel; ///< whole map model
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S3L_Model3D models[8];
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/**< 0, 1, 2, 3, 4, 5, 6, 7: nearest map chunk models */
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/**
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The scene model array.
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0, 1, 2, 3, 4, 5, 6, 7: nearest map chunk models
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*/
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S3L_Model3D models[LCR_RENDERER_MODEL_COUNT];
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uint8_t loadedChunks[8];
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uint8_t loadedChunks[8]; ///< numbers of loaded map chunks
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S3L_Unit mapVerts[LCR_SETTING_MAX_MAP_VERTICES * 3];
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S3L_Index mapTris[LCR_SETTING_MAX_MAP_TRIANGLES * 3];
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@ -52,7 +57,11 @@ struct
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*/
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uint8_t mapTriangleData[LCR_SETTING_MAX_MAP_TRIANGLES];
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uint8_t gridLOD[LCR_RENDERER_LOD_BLOCKS];
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/**
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8x8x8 3D grid of bits, each bit says (for each corresponding part of map)
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whether there is an LOD block or not.
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*/
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uint8_t gridOfLODs[LCR_RENDERER_LOD_BLOCKS];
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// pixel function precomputed values:
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int previousTriID;
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@ -668,7 +677,7 @@ void _LCR_rendererComputeLOD(void)
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LCR_log("computing LOD");
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for (int i = 0; i < LCR_RENDERER_LOD_BLOCKS; ++i)
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LCR_renderer.gridLOD[i] = 0;
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LCR_renderer.gridOfLODs[i] = 0;
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for (int i = 0; i < LCR_currentMap.blockCount; ++i)
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{
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@ -680,7 +689,7 @@ void _LCR_rendererComputeLOD(void)
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y /= 8;
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z /= 8;
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LCR_renderer.gridLOD[z * 8 + y] |= (0x01 << x);
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LCR_renderer.gridOfLODs[z * 8 + y] |= (0x01 << x);
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}
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}
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@ -696,7 +705,7 @@ uint8_t LCR_rendererInit(void)
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_LCR_rendererComputeLOD();
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S3L_sceneInit(
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LCR_renderer.models,8,&LCR_renderer.scene);
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LCR_renderer.models,LCR_RENDERER_MODEL_COUNT,&LCR_renderer.scene);
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return 1;
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}
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@ -1043,9 +1052,9 @@ void LCR_rendererDrawLOD(void)
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{
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#if LCR_SETTING_LOD_DISTANCE < 64
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for (unsigned int i = 0; i < LCR_RENDERER_LOD_BLOCKS; ++i)
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if (LCR_renderer.gridLOD[i])
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if (LCR_renderer.gridOfLODs[i])
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{
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uint8_t byte = LCR_renderer.gridLOD[i];
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uint8_t byte = LCR_renderer.gridOfLODs[i];
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unsigned int bx, by, bz;
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bz = (i / 8) * 8 + 4;
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@ -1071,6 +1080,40 @@ void LCR_rendererDrawLOD(void)
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#endif
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}
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void LCR_drawLevelFloor(void)
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{
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#if LCR_SETTING_FLOOR_PARTICLE_SIZE != 0
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#define _STEP ((LCR_MAP_SIZE_BLOCKS * LCR_RENDERER_UNIT) / LCR_SETTING_FLOOR_PARTICLE_RESOLUTION)
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S3L_Vec4 floorPoint, projectedPoint;
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floorPoint.z = -1 * (LCR_MAP_SIZE_BLOCKS / 2) * LCR_RENDERER_UNIT + _STEP / 2;
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floorPoint.y = -1 *(LCR_MAP_SIZE_BLOCKS / 2) * (LCR_RENDERER_UNIT / 2);
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floorPoint.w = LCR_SETTING_RESOLUTION_X / LCR_SETTING_FLOOR_PARTICLE_SIZE;
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for (uint8_t j = 0; j < LCR_SETTING_FLOOR_PARTICLE_RESOLUTION; ++j)
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{
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floorPoint.x = -1 * (LCR_MAP_SIZE_BLOCKS / 2) * LCR_RENDERER_UNIT
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+ _STEP / 2;
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for (uint8_t i = 0; i < LCR_SETTING_FLOOR_PARTICLE_RESOLUTION; ++i)
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{
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S3L_project3DPointToScreen(floorPoint,LCR_renderer.scene.camera,
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&projectedPoint);
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if (projectedPoint.w > 0 && projectedPoint.w < LCR_EFFECTIVE_RESOLUTION_X)
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LCR_rendererDrawRect(projectedPoint.x,projectedPoint.y,
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projectedPoint.w,projectedPoint.w,LCR_SETTING_LOD_COLOR,1);
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floorPoint.x += _STEP;
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}
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floorPoint.z += _STEP;
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}
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#undef _STEP
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#endif
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}
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void LCR_rendererDraw(void)
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{
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LCR_renderer.previousTriID = -1;
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@ -1082,6 +1125,7 @@ void LCR_rendererDraw(void)
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LCR_renderer.scene.camera.transform.rotation.y,
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-4 * LCR_renderer.scene.camera.transform.rotation.x);
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LCR_drawLevelFloor();
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LCR_rendererDrawLOD();
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S3L_drawScene(LCR_renderer.scene);
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13
settings.h
13
settings.h
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@ -20,7 +20,7 @@
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#endif
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#ifndef LCR_SETTING_FREE_CAMERA_SPEED
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#define LCR_SETTING_FREE_CAMERA_SPEED 50
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#define LCR_SETTING_FREE_CAMERA_SPEED 30
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#endif
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#ifndef LCR_SETTING_FREE_CAMERA_TURN_SPEED
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@ -81,4 +81,15 @@
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#define LCR_SETTING_LOD_COLOR 0x4229
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#endif
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#ifndef LCR_SETTING_FLOOR_PARTICLE_RESOLUTION
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/** How many level floor particles there will be along one principal axis, 0
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turns floor particles off. */
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#define LCR_SETTING_FLOOR_PARTICLE_RESOLUTION 6
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#endif
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#ifndef LCR_SETTING_FLOOR_PARTICLE_SIZE
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/** Defines floor particle size in fractions of screen size. */
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#define LCR_SETTING_FLOOR_PARTICLE_SIZE 32
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#endif
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#endif // guard
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