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got a working floor! (bouncy though)

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ed
2026-06-14 20:35:33 -04:00
parent c4e25daa9b
commit 47806e3d21
3 changed files with 61 additions and 48 deletions
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code/gte_hello/hello_gte.c
+13 -14
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@@ -286,36 +286,35 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
static_mem.floor.rot.y += 5;
}
// Draw floor tape method
if (0)
if (1)
{
LP_ U4 mem_temp_tape[512]; // Buffer for function addresses
FArena tape_arena;
farena_init(&tape_arena, slice_ut(mem_temp_tape, S_(mem_temp_tape)));
FArena tape_arena; farena_init(&tape_arena, slice_ut(mem_temp_tape, S_(mem_temp_tape)));
TapeBuilder tb = tb_begin(&tape_arena); {
// Setup state atoms
m3s2_rotation(&static_mem.floor.rot, &static_mem.tform_world);
m3s2_translation(&static_mem.tform_world, &static_mem.floor.pos);
m3s2_rotation( & static_mem.floor.rot, & static_mem.tform_world);
m3s2_translation( & static_mem.tform_world, & static_mem.floor.pos);
// Push "Protocol" to tape
tb_emit(&tb, code_atom_set_gte_world);
tb_emit(&tb, (Code*)&static_mem.tform_world);
tb_emit(& tb, code_atom_set_gte_world);
tb_emit(& tb, (Code*)& static_mem.tform_world);
for (U4 i = 0; i < Floor_num_faces; i++) {
tb_emit(&tb, code_atom_floor_tri);
tb_emit(& tb, code_atom_floor_tri);
}
}
Slice_U4 tape = tb_end(&tb);
Slice_U4 tape = tb_end(& tb);
// --- EXECUTION ---
B1* prim_cursor = (B1*)r_(pa->buf)[static_mem.active_buf_id] + pa->used;
// 2. Fire the Tape Drive (Explicitly bind the workspace variables)
tape_run(tape, &prim_cursor, static_mem.floor.faces, static_mem.floor.verts, ordering_buf);
tape_run(tape, & prim_cursor, static_mem.floor.faces, static_mem.floor.verts, ordering_buf);
// 3. Update C-side state
pa->used = (U4)prim_cursor - (U4)r_(pa->buf)[static_mem.active_buf_id];
static_mem.floor.rot.y += 5;
}
// --- TAPE DIAGNOSTICS ---
if (1)
if (0)
{
LP_ U4 mem_temp_tape[512];
FArena tape_arena;
@@ -331,16 +330,16 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
// 2. code_atom_diag_color -> Tests OT and Prim Arena memory
// 3. code_atom_diag_gte -> Tests Vertex arrays and GTE Math
// tb_emit(&tb, code_atom_diag_yield);
tb_emit(&tb, code_atom_diag_color);
tb_emit(& tb, code_atom_diag_color);
// tb_emit(&tb, code_atom_diag_gte);
}
}
Slice_U4 tape = tb_end(&tb);
Slice_U4 tape = tb_end(& tb);
// Setup Workspace Registers
B1* prim_cursor = (B1*)r_(pa->buf)[static_mem.active_buf_id] + pa->used;
tape_run(tape, &prim_cursor, static_mem.floor.faces, static_mem.floor.verts, ordering_buf);
tape_run(tape, & prim_cursor, static_mem.floor.faces, static_mem.floor.verts, ordering_buf);
pa->used = (U4)prim_cursor - (U4)r_(pa->buf)[static_mem.active_buf_id];
static_mem.floor.rot.y += 5;