71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
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#include "haloo3d/haloo3d.h"
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#include "haloo3d/haloo3dex_gen.h"
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#include "haloo3d/haloo3dex_obj.h"
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#ifndef TREECOL
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#define TREECOL 0xF070
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#endif
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#ifndef TREETRUNKCOL
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#define TREETRUNKCOL 0xF950
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#endif
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#ifndef TREEBOTTOM
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#define TREEBOTTOM -0.333
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#endif
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#ifndef TREETOPWIDTH
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#define TREETOPWIDTH 1.0
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#endif
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#ifndef TREETRUNKWIDTH
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#define TREETRUNKWIDTH 0.2
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#endif
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// Fill a face with a solid color given by the tex
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void fastface(haloo3d_facei face, uint16_t tex, uint16_t v0, uint16_t v1,
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uint16_t v2) {
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face[0].texi = tex;
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face[1].texi = tex;
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face[2].texi = tex;
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face[0].posi = v0;
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face[1].posi = v1;
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face[2].posi = v2;
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}
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// Generate a basic tree model
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void gen_tree_model(haloo3d_obj *tree) {
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haloo3d_obj_resetfixed(tree, 12, 24);
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struct vec3 treecol = haloo3d_gen_paletteuv(TREECOL);
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int treeuv = haloo3d_obj_addvtexture(tree, treecol);
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struct vec3 trunkcol = haloo3d_gen_paletteuv(TREETRUNKCOL);
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int trunkuv = haloo3d_obj_addvtexture(tree, trunkcol);
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// clang-format off
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uint16_t top = haloo3d_obj_addvertex(tree,
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(struct vec4){.x = 0, .y = 1, .z = 0, .w = 1});
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uint16_t tree1 = haloo3d_obj_addvertex(tree,
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(struct vec4){.x = -TREETOPWIDTH, .y = TREEBOTTOM, .z = -TREETOPWIDTH, .w = 1});
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uint16_t tree2 = haloo3d_obj_addvertex(tree,
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(struct vec4){.x = TREETOPWIDTH, .y = TREEBOTTOM, .z = -TREETOPWIDTH, .w = 1});
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uint16_t tree3 = haloo3d_obj_addvertex(tree,
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(struct vec4){.x = 0, .y = TREEBOTTOM, .z = TREETOPWIDTH, .w = 1});
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uint16_t trunk1 = haloo3d_obj_addvertex(tree,
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(struct vec4){ .x = -TREETRUNKWIDTH, .y = -1, .z = -TREETRUNKWIDTH, .w = 1});
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uint16_t trunk2 = haloo3d_obj_addvertex(tree,
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(struct vec4){ .x = TREETRUNKWIDTH, .y = -1, .z = -TREETRUNKWIDTH, .w = 1});
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uint16_t trunk3 = haloo3d_obj_addvertex(tree,
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(struct vec4){.x = 0, .y = -1, .z = TREETRUNKWIDTH, .w = 1});
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// clang-format on
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haloo3d_facei face;
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fastface(face, treeuv, top, tree1, tree3);
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haloo3d_obj_addface(tree, face);
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fastface(face, treeuv, top, tree3, tree2);
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haloo3d_obj_addface(tree, face);
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fastface(face, treeuv, top, tree2, tree1);
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haloo3d_obj_addface(tree, face);
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fastface(face, trunkuv, top, trunk1, trunk3);
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haloo3d_obj_addface(tree, face);
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fastface(face, trunkuv, top, trunk3, trunk2);
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haloo3d_obj_addface(tree, face);
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fastface(face, trunkuv, top, trunk2, trunk1);
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haloo3d_obj_addface(tree, face);
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haloo3d_obj_shrinktofit(tree);
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}
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