46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#include <chunk.h>
|
|
|
|
#include <glad/glad.h>
|
|
#include <stddef.h>
|
|
|
|
void tc_upload_chunk(tc_chunk_s *chunk)
|
|
{
|
|
// If the chunk has no mesh, it's probably only air.
|
|
if(chunk->num_vertices == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(chunk->vao != 0) glDeleteVertexArrays(1, &chunk->vao);
|
|
if(chunk->vbo != 0) glDeleteBuffers(1, &chunk->vbo);
|
|
|
|
glGenVertexArrays(1, &chunk->vao);
|
|
glBindVertexArray(chunk->vao);
|
|
|
|
glGenBuffers(1, &chunk->vbo);
|
|
glBindBuffer(GL_ARRAY_BUFFER, chunk->vbo);
|
|
|
|
glBufferData(GL_ARRAY_BUFFER, chunk->num_vertices * 5 * sizeof(float), NULL, GL_STATIC_DRAW);
|
|
glBufferSubData(GL_ARRAY_BUFFER, 0,
|
|
chunk->num_vertices * 3 * sizeof(float),
|
|
chunk->vertex_positions
|
|
);
|
|
glBufferSubData(GL_ARRAY_BUFFER,
|
|
chunk->num_vertices * 3 * sizeof(float),
|
|
chunk->num_vertices * 2 * sizeof(float),
|
|
chunk->vertex_uvs
|
|
);
|
|
glBindVertexArray(0);
|
|
}
|
|
|
|
void tc_draw_chunkloader_zone(tc_chunkloader_s *loader)
|
|
{
|
|
tc_chunklist_s *list = &loader->chunklist;
|
|
for(tc_chunklist_entry_s *current = list->first; current != NULL; current = current->next)
|
|
{
|
|
tc_send_pointer_to_entity(current->entity, "draw", 0);
|
|
}
|
|
|
|
}
|
|
|