80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
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#include "object.h"
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#include "../lib/math.h"
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#include "../lib/geometry.h"
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#include "../platform.h"
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#include "string.h"
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#include "state.h"
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#include "2d.h"
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r_object r_object_create(u64 count, r_mesh **meshes, r_material **materials, v3 position, v3 rotation, v3 scale)
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{
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r_object object;
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object.meshes = (r_mesh**)p_alloc(count * sizeof(r_mesh*));
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object.mesh_material = (r_material**)p_alloc(count * sizeof(r_material*));
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object.mesh_local_transform = (m4*)p_alloc(count * sizeof(m4));
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memcpy(object.meshes, meshes, count * sizeof(r_mesh*));
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memcpy(object.mesh_material, materials, count * sizeof(r_material*));
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for(u64 i = 0; i < count; i++)
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object.mesh_local_transform[i] = m4_identity;
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object.count = count;
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object.position = position;
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object.rotation = rotation;
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object.scale = scale;
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object.has_shadow = true;
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return object;
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}
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r_object r_object_allocate(u64 count)
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{
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r_object object;
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object.meshes = (r_mesh**)p_alloc(count * sizeof(r_mesh*));
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object.mesh_material = (r_material**)p_alloc(count * sizeof(r_material*));
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object.mesh_local_transform = (m4*)p_alloc(count * sizeof(m4));
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for(u64 i = 0; i < count; i++)
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object.mesh_local_transform[i] = m4_identity;
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object.count = count;
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object.position = v3{0,0,0};
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object.rotation = v3{0,0,0};
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object.scale = v3{1,1,1};
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object.has_shadow = true;
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return object;
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}
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void r_object_destroy(r_object *object)
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{
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p_free(object->mesh_material);
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p_free(object->meshes);
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p_free(object->mesh_local_transform);
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object->mesh_material = NULL;
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object->meshes = NULL;
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object->mesh_local_transform = NULL;
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object->count = 0;
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}
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m4 r_object_transform_matrix(r_object *object)
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{
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// @Performance: replace with rototranslation matrix
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return translation_v3(object->position) * rotation_v3(object->rotation) * scale_v3(object->scale);
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}
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m4 r_object_mesh_transform_matrix(r_object *object, u64 mesh_i)
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{
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// @Performance: replace with rototranslation matrix
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if(object->mesh_local_transform)
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return r_object_transform_matrix(object) * object->mesh_local_transform[mesh_i];
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return r_object_transform_matrix(object);
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}
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