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Refactor

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This commit is contained in:
Crayon2000 2024-03-31 13:57:29 -04:00
parent 3ef4847a4e
commit b3b440c86e
2 changed files with 44 additions and 27 deletions
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30
GRRLIB/GRRLIB/GRRLIB_3Dobj.c
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@ -818,37 +818,38 @@ void GRRLIB_DeleteObj(GRRLIB_Model* model) {
* @param model Structure that defines the model to draw.
*/
void GRRLIB_Draw3dObj(GRRLIB_Model* model) {
GRRLIB_Group* group;
GRRLIB_texImg* tex;
if(model == NULL) {
return;
}
group = model->groups;
GRRLIB_Group* group = model->groups;
while (group) {
u32 Color = RGBA(model->materials[group->material].diffuse[0],
const u32 Color = RGBA(model->materials[group->material].diffuse[0],
model->materials[group->material].diffuse[1],
model->materials[group->material].diffuse[2],
0xFF);
tex = model->materials[group->material].diffusetex;
GRRLIB_texImg* tex = model->materials[group->material].diffusetex;
GX_ClearVtxDesc();
GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
if(model->numnormals)
if(model->numnormals) {
GX_SetVtxDesc(GX_VA_NRM, GX_DIRECT);
}
GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
if(model->numtexcoords && tex)
if(model->numtexcoords && tex) {
GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
}
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
if(model->numnormals)
if(model->numnormals) {
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_NRM, GX_NRM_XYZ, GX_F32, 0);
}
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
if(model->numtexcoords && tex)
if(model->numtexcoords && tex) {
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
}
if(model->numtexcoords && tex) {
GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
@ -940,7 +941,7 @@ void GRRLIB_VertexNormals(GRRLIB_Model* model, f32 angle) {
}
// calculate the cosine of the angle (in degrees)
f32 cos_angle = cos(angle * M_PI / 180.0);
const f32 cos_angle = cos(angle * M_PI / 180.0);
// nuke any previous normals
if (model->normals) {
@ -1106,7 +1107,7 @@ void GRRLIB_FacetNormals(GRRLIB_Model* model) {
model->facetnorms = (f32*)malloc(sizeof(f32) * 3 * (model->numfacetnorms + 1));
for (u32 i = 0; i < model->numtriangles; i++) {
model->triangles[i].findex = i+1;
model->triangles[i].findex = i + 1;
u[X] = model->vertices[3 * T(i).vindices[1] + X] -
model->vertices[3 * T(i).vindices[0] + X];
@ -1136,7 +1137,6 @@ void GRRLIB_FacetNormals(GRRLIB_Model* model) {
*/
void GRRLIB_LinearTexture(GRRLIB_Model* model) {
f32 dimensions[3];
f32 x, y;
if(model == NULL) {
return;
@ -1154,8 +1154,8 @@ void GRRLIB_LinearTexture(GRRLIB_Model* model) {
// do the calculations
for(u32 i = 1; i <= model->numvertices; i++) {
x = model->vertices[3 * i + 0] * scalefactor;
y = model->vertices[3 * i + 2] * scalefactor;
const f32 x = model->vertices[3 * i + 0] * scalefactor;
const f32 y = model->vertices[3 * i + 2] * scalefactor;
model->texcoords[2 * i + 0] = (x + 1.0) / 2.0;
model->texcoords[2 * i + 1] = (y + 1.0) / 2.0;
}

41
examples/3D_obj/source/main.c
View file

@ -17,7 +17,6 @@ int main() {
f32 camZ = 50.0f;
u8 Amb = 0x00;
f32 zlight = 0.0f;
GRRLIB_Model* model;
const char strCtl1[] = "DPAD TO ROTATE MODEL";
const char strCtl2[] = "PLUS/MINUS TO ZOOM MODEL";
const char strCredit[] = "BY NONAMENO/CRAYON FROM GRRLIB TEAM";
@ -32,11 +31,11 @@ int main() {
GRRLIB_SetBackgroundColour(0x30, 0x30, 0x30, 0xFF);
model = GRRLIB_ReadOBJ("sd:/data/head_chord.obj");
GRRLIB_Model* model = GRRLIB_ReadOBJ("sd:/data/head_chord.obj");
if(model->numnormals == 0) {
GRRLIB_FacetNormals(model);
GRRLIB_VertexNormals(model, 90.0);
GRRLIB_VertexNormals(model, 90.0f);
}
if(model->numtexcoords == 0) {
@ -74,15 +73,33 @@ int main() {
GRRLIB_Render();
WPAD_ScanPads();
if(WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) break;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_RIGHT) modelRotY++;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_LEFT) modelRotY--;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_DOWN) modelRotX++;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_UP) modelRotX--;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_PLUS) camZ -= 0.3f;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_MINUS) camZ += 0.3f;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_A) zlight += 0.4f;
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_B) zlight -= 0.4f;
if(WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) {
break;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_RIGHT) {
modelRotY++;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_LEFT) {
modelRotY--;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_DOWN) {
modelRotX++;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_UP) {
modelRotX--;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_PLUS) {
camZ -= 0.3f;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_MINUS) {
camZ += 0.3f;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_A) {
zlight += 0.4f;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_B) {
zlight -= 0.4f;
}
if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_1 && WPAD_ButtonsHeld(0) & WPAD_BUTTON_2) {
WPAD_Rumble(0, true); // Rumble on
GRRLIB_ScrShot("sd:/grrlib_3d.png");