void gfx_sprite_draw(const struct gfx_sprite *sprite)
{
struct gfx_texture *texture = sprite->texture;
gfx_rdp_load_tile(texture, sprite->texture_tile);
if (gfx_modes[GFX_MODE_DROPSHADOW]) {
uint8_t a = gfx_modes[GFX_MODE_COLOR] & 0xFF;
a = a * a / 0xFF;
gfx_mode_replace(GFX_MODE_COLOR, GPACK_RGBA8888(0x00, 0x00, 0x00, a));
gSPScisTextureRectangle(gfx_disp_p++,
qs102(sprite->x + 1) & ~3,
qs102(sprite->y + 1) & ~3,
qs102(sprite->x + texture->tile_width *
sprite->xscale + 1) & ~3,
qs102(sprite->y + texture->tile_height *
sprite->yscale + 1) & ~3,
G_TX_RENDERTILE,
qu105(0), qu105(0),
qu510(1.f / sprite->xscale),
qu510(1.f / sprite->yscale));
gfx_mode_pop(GFX_MODE_COLOR);
}
gfx_sync();
gSPScisTextureRectangle(gfx_disp_p++,
qs102(sprite->x) & ~3,
qs102(sprite->y) & ~3,
qs102(sprite->x + texture->tile_width *
sprite->xscale) & ~3,
qs102(sprite->y + texture->tile_height *
sprite->yscale) & ~3,
G_TX_RENDERTILE,
qu105(0), qu105(0),
qu510(1.f / sprite->xscale),
qu510(1.f / sprite->yscale));
gfx_synced = 0;
}
static int draw_proc(struct menu_item *item,
struct menu_draw_params *draw_params)
{
static Gfx null_dl = gsSPEndDisplayList();
struct item_data *data = item->data;
/* handle input */
if (!input_bind_held(COMMAND_PREVROOM) &&
!input_bind_held(COMMAND_NEXTROOM))
{
uint16_t pad = input_pad();
if (pad & BUTTON_Z) {
if (pad & BUTTON_D_UP)
data->y += 50.f;
if (pad & BUTTON_D_DOWN)
data->y += -50.f;
if (pad & BUTTON_D_LEFT) {
data->x -= cos(data->yaw) * 50.f;
data->z += sin(data->yaw) * 50.f;
}
if (pad & BUTTON_D_RIGHT) {
data->x -= cos(data->yaw) * -50.f;
data->z += sin(data->yaw) * -50.f;
}
}
else {
if (pad & BUTTON_D_UP) {
data->x -= sin(data->yaw) * 50.f;
data->z -= cos(data->yaw) * 50.f;
}
if (pad & BUTTON_D_DOWN) {
data->x -= sin(data->yaw) * -50.f;
data->z -= cos(data->yaw) * -50.f;
}
if (pad & BUTTON_D_LEFT)
data->yaw += .2f;
if (pad & BUTTON_D_RIGHT)
data->yaw -= .2f;
}
}
/* load resources */
if (data->state == STATE_LOAD) {
/* initialize segment table */
z64_stab_t stab = z64_stab;
/* load scene */
if (data->scene_index != data->scene_next || !data->scene_file) {
if (data->scene_file)
free(data->scene_file);
data->scene_index = data->scene_next;
data->room_index = -1;
z64_scene_table_t *scene_entry = &z64_scene_table[data->scene_index];
uint32_t scene_vrom_start = scene_entry->scene_vrom_start;
uint32_t scene_vrom_end = scene_entry->scene_vrom_end;
uint32_t scene_vrom_size = scene_vrom_end - scene_vrom_start;
data->scene_file = malloc(scene_vrom_size);
zu_getfile(scene_vrom_start, data->scene_file, scene_vrom_size);
}
stab.seg[Z64_SEG_SCENE] = MIPS_KSEG0_TO_PHYS(data->scene_file);
/* populate room list */
struct zu_file room_files[0x100];
zu_scene_rooms(zu_sr_header(data->scene_file,
z64_file.scene_setup_index, &stab),
room_files, 0x100, &data->n_rooms, &stab);
/* load room */
if (data->room_index != data->room_next || !data->room_file) {
if (data->room_file) {
free(data->room_file);
zu_mesh_destroy(&data->room_mesh);
}
data->room_index = data->room_next;
uint32_t room_vrom_start = room_files[data->room_index].vrom_start;
uint32_t room_vrom_end = room_files[data->room_index].vrom_end;
uint32_t room_vrom_size = room_vrom_end - room_vrom_start;
data->room_file = malloc(room_vrom_size);
zu_getfile(room_vrom_start, data->room_file, room_vrom_size);
stab.seg[Z64_SEG_ROOM] = MIPS_KSEG0_TO_PHYS(data->room_file);
/* populate mesh */
zu_room_mesh(zu_sr_header(data->room_file,
z64_file.scene_setup_index, &stab),
&data->room_mesh, &stab);
/* populate vertex list */
struct zu_vlist vlist;
zu_vlist_init(&vlist);
stab.seg[0x08] = MIPS_KSEG0_TO_PHYS(&null_dl);
stab.seg[0x09] = MIPS_KSEG0_TO_PHYS(&null_dl);
stab.seg[0x0A] = MIPS_KSEG0_TO_PHYS(&null_dl);
stab.seg[0x0B] = MIPS_KSEG0_TO_PHYS(&null_dl);
stab.seg[0x0C] = MIPS_KSEG0_TO_PHYS(&null_dl);
stab.seg[0x0D] = MIPS_KSEG0_TO_PHYS(&null_dl);
for (int i = 0; i < ZU_MESH_TYPES; ++i)
for (int j = 0; j < data->room_mesh.all[i].size; ++j)
zu_vlist_add_dl(&vlist, &stab,
zu_seg_locate(&stab,
data->room_mesh.all[i].dlists[j]));
/* compute bounding box */
struct zu_bbox bbox;
zu_vlist_bbox(&vlist, &bbox);
/* set orientation */
{
data->x = (bbox.x1 + bbox.x2) / 2.f;
data->y = (bbox.y1 + bbox.y2) / 2.f;
data->z = (bbox.z1 + bbox.z2) / 2.f;
data->yaw = 0.f;
}
zu_vlist_destroy(&vlist);
}
/* proceed to rendering */
data->state = STATE_RENDER;
}
/* render room */
if (data->state == STATE_RENDER && data->room_file) {
/* initialize rcp for rendering rooms */
static void *zbuf = NULL;
if (!zbuf)
zbuf = memalign(64, 2 * Z64_SCREEN_WIDTH * Z64_SCREEN_HEIGHT);
gDisplayListAppend(&data->gfx.poly_opa.p,
/* clear z buffer */
gsDPPipeSync(),
gsDPSetCycleType(G_CYC_FILL),
gsDPSetRenderMode(G_RM_NOOP, G_RM_NOOP2),
gsDPSetColorImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, Z64_SCREEN_WIDTH, zbuf),
gsDPSetFillColor((GPACK_ZDZ(G_MAXFBZ, 0) << 16) |
GPACK_ZDZ(G_MAXFBZ, 0)),
gsDPFillRectangle(0, 0, Z64_SCREEN_WIDTH - 1, Z64_SCREEN_HEIGHT - 1),
gsDPPipeSync(),
gsDPSetColorImage(G_IM_FMT_RGBA, G_IM_SIZ_16b, Z64_SCREEN_WIDTH,
ZU_MAKE_SEG(Z64_SEG_CIMG, 0)),
gsDPSetDepthImage(zbuf),
/* rsp settings */
gsSPSegment(Z64_SEG_SCENE, data->scene_file),
gsSPSegment(Z64_SEG_ROOM, data->room_file),
gsSPSegment(0x08, &null_dl),
gsSPSegment(0x09, &null_dl),
gsSPSegment(0x0A, &null_dl),
gsSPSegment(0x0B, &null_dl),
gsSPSegment(0x0C, &null_dl),
gsSPSegment(0x0D, &null_dl),
gsSPLoadGeometryMode(G_ZBUFFER | G_SHADE | G_CULL_BACK | G_LIGHTING |
G_SHADING_SMOOTH),
/* rdp settings */
gsDPSetAlphaCompare(G_AC_NONE),
gsDPSetDepthSource(G_ZS_PIXEL),
gsDPSetAlphaDither(G_AD_DISABLE),
gsDPSetColorDither(G_CD_DISABLE),
gsDPSetCombineKey(G_OFF),
gsDPSetTextureConvert(G_TC_FILT),
gsDPSetTextureFilter(G_TF_BILERP),
gsDPSetTextureLOD(G_TL_TILE),
gsDPSetTexturePersp(G_TP_PERSP),
gsDPSetCycleType(G_CYC_2CYCLE),
gsDPPipelineMode(G_PM_NPRIMITIVE),
gsDPSetEnvColor(0xFF, 0xFF, 0xFF, 0xFF),
gsDPSetFogColor(0x00, 0x00, 0x00, 0x00),
gsDPSetScissor(G_SC_NON_INTERLACE, 32, 32,
Z64_SCREEN_WIDTH - 32, Z64_SCREEN_HEIGHT - 32),
);
/* create projection matrix */
{
Mtx m;
MtxF mf;
MtxF mt;
guPerspectiveF(&mf, NULL, atanf(2.f),
(float)Z64_SCREEN_WIDTH / (float)Z64_SCREEN_HEIGHT,
50.f, 5000.f, 1.f);
{
guScaleF(&mt, data->scale, data->scale, data->scale);
guMtxCatF(&mt, &mf, &mf);
}
{
guRotateF(&mt, M_PI / 6.f, 1.f, 0.f, 0.f);
guMtxCatF(&mt, &mf, &mf);
}
{
guTranslateF(&mt, 0.f, -100.f, -200.f);
guMtxCatF(&mt, &mf, &mf);
}
{
guRotateF(&mt, -data->yaw, 0.f, 1.f, 0.f);
guMtxCatF(&mt, &mf, &mf);
}
{
guTranslateF(&mt, -data->x, -data->y, -data->z);
guMtxCatF(&mt, &mf, &mf);
}
guMtxF2L(&mf, &m);
gSPMatrix(data->gfx.poly_opa.p++,
gDisplayListData(&data->gfx.poly_opa.d, m),
G_MTX_PROJECTION | G_MTX_LOAD);
gSPMatrix(data->gfx.poly_xlu.p++,
gDisplayListData(&data->gfx.poly_xlu.d, m),
G_MTX_PROJECTION | G_MTX_LOAD);
}
/* create modelview matrix */
{
Mtx m;
guMtxIdent(&m);
gSPMatrix(data->gfx.poly_opa.p++,
gDisplayListData(&data->gfx.poly_opa.d, m),
G_MTX_MODELVIEW | G_MTX_LOAD);
gSPMatrix(data->gfx.poly_xlu.p++,
gDisplayListData(&data->gfx.poly_xlu.d, m),
G_MTX_MODELVIEW | G_MTX_LOAD);
}
/* configure lights */
zu_gfx_inject(&data->gfx);
set_lighting();
/* execute scene config */
z64_scene_config_table[z64_scene_table[
z64_game.scene_index].scene_config](&z64_game);
zu_gfx_restore(&data->gfx);
/* draw scene */
for (int i = 0; i < ZU_MESH_TYPES; ++i)
for (int j = 0; j < data->room_mesh.all[i].size; ++j) {
if (i == ZU_MESH_OPA || i == ZU_MESH_NEAR) {
gSPDisplayList(data->gfx.poly_opa.p++,
data->room_mesh.all[i].dlists[j]);
}
else if (i == ZU_MESH_XLU || i == ZU_MESH_FAR) {
gSPDisplayList(data->gfx.poly_xlu.p++,
data->room_mesh.all[i].dlists[j]);
}
}
/* draw actors */
if (z64_game.pause_state == 0) {
zu_gfx_inject(&data->gfx);
z64_DrawActors(&z64_game, &z64_game.actor_ctxt);
zu_gfx_restore(&data->gfx);
}
/* draw additional stuff */
draw_crosshair(item);
/* flush */
gfx_disp(gsSPDisplayList(zu_gfx_flush(&data->gfx)));
/* restore rcp modes */
gfx_mode_init();
/* draw info */
gfx_mode_set(GFX_MODE_COLOR, GPACK_RGBA8888(0xC0, 0xC0, 0xC0,
draw_params->alpha));
gfx_printf(draw_params->font, 36, 44, "scene %i", data->scene_index);
gfx_printf(draw_params->font, 36, 44 + menu_get_cell_height(item->owner, 1),
"room %i", data->room_index);
}
/* wait for rendering to finish before unloading */
if (data->state == STATE_UNLOAD)
data->state = STATE_LOAD;
return 1;
}
