71 lines
1.8 KiB
C++

#include "graphics_primitive.hpp"
#include "cover.hpp"
#include "ta_parameter.hpp"
#include "playlist.hpp"
#include "texture.hpp"
namespace scene::tracker::cover {
constexpr float texture_width = 1.0 / 128.0;
constexpr float texture_height = 1.0 / 128.0;
constexpr inline vec3 transform_position(const vec2& p,
float x, float y, float z)
{
return {
x + p.x * 128,
y + p.y * 128,
z
};
}
constexpr inline vec2 transform_texture(const vec2& t)
{
return {
(0 + t.x * 72) * texture_width,
(0 + t.y * 72) * texture_height,
};
}
constexpr vec2 vtx[] = {
{0, 0},
{1, 0},
{1, 1},
{0, 1},
};
void draw(ta_multiwriter& multi, float x, float y)
{
uint32_t texture_size = tsp_instruction_word::texture_u_size::from_int(128)
| tsp_instruction_word::texture_v_size::from_int(128)
| tsp_instruction_word::dst_alpha_instr::zero;
global_polygon_textured(multi.op,
para_control::list_type::translucent,
texture::offset::cover1,
texture_size,
texture_control_word::pixel_format::_565);
float z = 1.0 / 10.0f;
int base_color = 0xffffff;
vec3 ap = transform_position(vtx[0], x, y, z);
vec3 bp = transform_position(vtx[1], x, y, z);
vec3 cp = transform_position(vtx[2], x, y, z);
vec3 dp = transform_position(vtx[3], x, y, z);
vec2 at = transform_texture(vtx[0]);
vec2 bt = transform_texture(vtx[1]);
vec2 ct = transform_texture(vtx[2]);
vec2 dt = transform_texture(vtx[3]);
quad_type_3(multi.op,
ap, at,
bp, bt,
cp, ct,
dp, dt,
base_color);
}
}