Int32 Atlas1D_UsedAtlasesCount(void) {
TextureLoc maxTexLoc = 0;
Int32 i;
for (i = 0; i < Array_Elems(Block_Textures); i++) {
maxTexLoc = max(maxTexLoc, Block_Textures[i]);
}
return Atlas1D_Index(maxTexLoc) + 1;
}
/* Index of maximum used 1D atlas + 1 */
CC_NOINLINE static int MapRenderer_UsedAtlases(void) {
TextureLoc maxLoc = 0;
int i;
for (i = 0; i < Array_Elems(Blocks.Textures); i++) {
maxLoc = max(maxLoc, Blocks.Textures[i]);
}
return Atlas1D_Index(maxLoc) + 1;
}
TextureRec Atlas1D_TexRec(TextureLoc texLoc, Int32 uCount, Int32* index) {
*index = Atlas1D_Index(texLoc);
Int32 y = Atlas1D_RowId(texLoc);
/* Adjust coords to be slightly inside - fixes issues with AMD/ATI cards. */
TextureRec rec;
rec.U1 = 0.0f;
rec.V1 = y * Atlas1D_InvTileSize;
rec.U2 = (uCount - 1) + UV2_Scale;
rec.V2 = rec.V1 + UV2_Scale * Atlas1D_InvTileSize;
return rec;
}
static void Terrain_Update1DCounts(void) {
Int32 i;
for (i = 0; i < Atlas1D_Count; i++) {
Terrain_1DCount[i] = 0;
Terrain_1DIndices[i] = 0;
}
for (i = 0; i < Terrain_Count; i++) {
Int32 index = Atlas1D_Index(Terrain_Particles[i].TexLoc);
Terrain_1DCount[index] += 4;
}
for (i = 1; i < Atlas1D_Count; i++) {
Terrain_1DIndices[i] = Terrain_1DIndices[i - 1] + Terrain_1DCount[i - 1];
}
}
static void Terrain_Render(Real32 t) {
if (Terrain_Count == 0) return;
VertexP3fT2fC4b vertices[PARTICLES_MAX * 4];
Terrain_Update1DCounts();
Int32 i;
for (i = 0; i < Terrain_Count; i++) {
Int32 index = Atlas1D_Index(Terrain_Particles[i].TexLoc);
VertexP3fT2fC4b* ptr = &vertices[Terrain_1DIndices[index]];
TerrainParticle_Render(&Terrain_Particles[i], t, ptr);
Terrain_1DIndices[index] += 4;
}
Gfx_SetDynamicVbData(Particles_VB, vertices, Terrain_Count * 4);
Int32 offset = 0;
for (i = 0; i < Atlas1D_Count; i++) {
UInt16 partCount = Terrain_1DCount[i];
if (partCount == 0) continue;
Gfx_BindTexture(Atlas1D_TexIds[i]);
Gfx_DrawVb_IndexedTris_Range(partCount, offset);
offset += partCount;
}
}
static void Builder_AddVertices(BlockID block, Face face) {
Int32 baseOffset = (Block_Draw[block] == DRAW_TRANSLUCENT) * ATLAS1D_MAX_ATLASES;
Int32 i = Atlas1D_Index(Block_GetTexLoc(block, face));
Builder1DPart* part = &Builder_Parts[baseOffset + i];
part->fCount[face] += 4;
}
static void Builder_AddSpriteVertices(BlockID block) {
Int32 i = Atlas1D_Index(Block_GetTexLoc(block, FACE_XMIN));
Builder1DPart* part = &Builder_Parts[i];
part->sCount += 4 * 4;
}
static void Builder_DrawSprite(Int32 count) {
TextureLoc texLoc = Block_GetTexLoc(Builder_Block, FACE_XMAX);
Int32 i = Atlas1D_Index(texLoc);
Real32 vOrigin = Atlas1D_RowId(texLoc) * Atlas1D_InvTileSize;
Real32 X = (Real32)Builder_X, Y = (Real32)Builder_Y, Z = (Real32)Builder_Z;
#define u1 0.0f
#define u2 UV2_Scale
Real32 x1 = (Real32)X + 2.50f / 16.0f, y1 = (Real32)Y, z1 = (Real32)Z + 2.50f / 16.0f;
Real32 x2 = (Real32)X + 13.5f / 16.0f, y2 = (Real32)Y + 1.0f, z2 = (Real32)Z + 13.5f / 16.0f;
Real32 v1 = vOrigin, v2 = vOrigin + Atlas1D_InvTileSize * UV2_Scale;
UInt8 offsetType = Block_SpriteOffset[Builder_Block];
if (offsetType >= 6 && offsetType <= 7) {
Random_SetSeed(&spriteRng, (Builder_X + 1217 * Builder_Z) & 0x7fffffff);
Real32 valX = Random_Range(&spriteRng, -3, 3 + 1) / 16.0f;
Real32 valY = Random_Range(&spriteRng, 0, 3 + 1) / 16.0f;
Real32 valZ = Random_Range(&spriteRng, -3, 3 + 1) / 16.0f;
#define stretch 1.7f / 16.0f
x1 += valX - stretch; x2 += valX + stretch;
z1 += valZ - stretch; z2 += valZ + stretch;
if (offsetType == 7) { y1 -= valY; y2 -= valY; }
}
Builder1DPart* part = &Builder_Parts[i];
PackedCol white = PACKEDCOL_WHITE;
PackedCol col = Builder_FullBright ? white : Lighting_Col_Sprite_Fast(Builder_X, Builder_Y, Builder_Z);
Block_Tint(col, Builder_Block);
VertexP3fT2fC4b v; v.Col = col;
/* Draw Z axis */
Int32 index = part->sOffset;
v.X = x1; v.Y = y1; v.Z = z1; v.U = u2; v.V = v2; Builder_Vertices[index + 0] = v;
v.Y = y2; v.V = v1; Builder_Vertices[index + 1] = v;
v.X = x2; v.Z = z2; v.U = u1; Builder_Vertices[index + 2] = v;
v.Y = y1; v.V = v2; Builder_Vertices[index + 3] = v;
/* Draw Z axis mirrored */
index += part->sAdvance;
v.X = x2; v.Y = y1; v.Z = z2; v.U = u2; Builder_Vertices[index + 0] = v;
v.Y = y2; v.V = v1; Builder_Vertices[index + 1] = v;
v.X = x1; v.Z = z1; v.U = u1; Builder_Vertices[index + 2] = v;
v.Y = y1; v.V = v2; Builder_Vertices[index + 3] = v;
/* Draw X axis */
index += part->sAdvance;
v.X = x1; v.Y = y1; v.Z = z2; v.U = u2; Builder_Vertices[index + 0] = v;
v.Y = y2; v.V = v1; Builder_Vertices[index + 1] = v;
v.X = x2; v.Z = z1; v.U = u1; Builder_Vertices[index + 2] = v;
v.Y = y1; v.V = v2; Builder_Vertices[index + 3] = v;
/* Draw X axis mirrored */
index += part->sAdvance;
v.X = x2; v.Y = y1; v.Z = z1; v.U = u2; Builder_Vertices[index + 0] = v;
v.Y = y2; v.V = v1; Builder_Vertices[index + 1] = v;
v.X = x1; v.Z = z2; v.U = u1; Builder_Vertices[index + 2] = v;
v.Y = y1; v.V = v2; Builder_Vertices[index + 3] = v;
part->sOffset += 4;
}
