Typos + formatting
This commit is contained in:
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@ -2,7 +2,7 @@
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This example code demonstrates how to use the companion 'ovl-upload.py' script that should be provided with this file.
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This example code demonstrates (as opposed to this gif above) how to use the companion 'ovl-upload.py' script that should be provided with this file.
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Once the code is loaded on a unirom enabled PSX via a serial/USB cable, 'ovl-upload.py' listens for a specific command
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@ -42,13 +42,13 @@ You should see a cube on a blue background.
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* Push the **select** button on your controller. The cube should change shape ! In reality, we are loading the geometry data from another file : `Overlay.ovl1`
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Alternativly, you can use the bin/cue in an emulator or xstation.
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Alternatively, you can use the bin/cue in an emulator or xstation.
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Helper scripts are provided for convenience and are dependent on `pcsx-redux` and `mkpsxiso` being in your $PATH.
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* `isotest.sh` will make, build the bin/cue, and open the resulting image in pcsx-redux.
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* `ovly-upload-helper.sh` is a small wrapper for `nops`, hence depending on it being in your $PATH that takes args : load address,
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overlay filename, ps-exe filename and optional comport/serialdevice - e.g :
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* `ovly-upload-helper.sh` is a small wrapper for `nops`, hence depending on it being in your $PATH, that takes 4 args :
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load address, overlay filename, ps-exe filename and optional comport/serialdevice - e.g :
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```bash
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# make &&
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221
ovl-upload.c
221
ovl-upload.c
@ -17,12 +17,12 @@
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Thanks to @JaberwockySeamonstah, @JonathanDotCel, @nicolasnoble, @Lameguy64 for their help and patience.
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Demonstrates:
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Demonstrates:
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* Using overlays to store different data and loading them in memory as needed.
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Controls:
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Select - Load alternative overlay
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* Using overlays to store different data and loading them in memory as needed.
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Controls:
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Select - Load alternative overlay
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*/
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#include <sys/types.h>
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@ -54,13 +54,13 @@
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#define SCREENYRES 240
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#define CENTERX SCREENXRES/2
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#define CENTERX SCREENXRES/2
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#define CENTERY SCREENYRES/2
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#define CENTERY SCREENYRES/2
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#define OTLEN 2048 // Maximum number of OT entries
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#define OTLEN 2048 // Maximum number of OT entries
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#define PRIMBUFFLEN 32768 // Maximum number of POLY_GT3 primitives
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#define PRIMBUFFLEN 32768 // Maximum number of POLY_GT3 primitives
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// Display and draw environments, double buffered
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@ -68,15 +68,15 @@ DISPENV disp[2];
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DRAWENV draw[2];
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u_long ot[2][OTLEN]; // Ordering table (contains addresses to primitives)
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u_long ot[2][OTLEN]; // Ordering table (contains addresses to primitives)
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char primbuff[2][PRIMBUFFLEN] = {0}; // Primitive list // That's our prim buffer
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char primbuff[2][PRIMBUFFLEN] = {0}; // Primitive list // That's our prim buffer
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//~ int primcnt=0; // Primitive counter
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//~ int primcnt=0; // Primitive counter
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char * nextpri = primbuff[0]; // Primitive counter
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char * nextpri = primbuff[0]; // Primitive counter
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short db = 0; // Current buffer counter
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short db = 0; // Current buffer counter
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// Texture image
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@ -121,20 +121,20 @@ void LoadTexture(u_long * tim, TIM_IMAGE * tparam);
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void init(){
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// Reset the GPU before doing anything and the controller
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PadInit(0);
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ResetGraph(0);
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// Initialize and setup the GTE
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InitGeom();
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SetGeomOffset(CENTERX, CENTERY); // x, y offset
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SetGeomScreen(CENTERX); // Distance between eye and screen
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// Set the display and draw environments
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SetDefDispEnv(&disp[0], 0, 0 , SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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PadInit(0);
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ResetGraph(0);
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SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
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// Initialize and setup the GTE
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InitGeom();
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SetGeomOffset(CENTERX, CENTERY); // x, y offset
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SetGeomScreen(CENTERX); // Distance between eye and screen
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// Set the display and draw environments
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SetDefDispEnv(&disp[0], 0, 0 , SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
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if (VMODE)
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{
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@ -142,7 +142,7 @@ void init(){
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disp[0].screen.y += 8;
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disp[1].screen.y += 8;
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}
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setRGB0(&draw[0], 0, 0, 255);
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setRGB0(&draw[1], 0, 0, 255);
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@ -150,12 +150,12 @@ void init(){
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draw[1].isbg = 1;
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PutDispEnv(&disp[db]);
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PutDrawEnv(&draw[db]);
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// Init font system
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FntLoad(960, 0);
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FntOpen(16, 16, 196, 64, 0, 256);
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PutDrawEnv(&draw[db]);
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// Init font system
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FntLoad(960, 0);
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FntOpen(16, 16, 196, 64, 0, 256);
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}
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void display(void){
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@ -178,16 +178,16 @@ void display(void){
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}
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void LoadTexture(u_long * tim, TIM_IMAGE * tparam){ // This part is from Lameguy64's tutorial series : lameguy64.net/svn/pstutorials/chapter1/3-textures.html login/pw: annoyingmous
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OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
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ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
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OpenTIM(tim); // Open the tim binary data, feed it the address of the data in memory
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ReadTIM(tparam); // This read the header of the TIM data and sets the corresponding members of the TIM_IMAGE structure
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LoadImage(tparam->prect, tparam->paddr); // Transfer the data from memory to VRAM at position prect.x, prect.y
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DrawSync(0); // Wait for the drawing to end
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if (tparam->mode & 0x8){ // check 4th bit // If 4th bit == 1, TIM has a CLUT
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LoadImage(tparam->crect, tparam->caddr); // Load it to VRAM at position crect.x, crect.y
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DrawSync(0); // Wait for drawing to end
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}
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DrawSync(0); // Wait for the drawing to end
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if (tparam->mode & 0x8){ // check 4th bit // If 4th bit == 1, TIM has a CLUT
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LoadImage(tparam->crect, tparam->caddr); // Load it to VRAM at position crect.x, crect.y
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DrawSync(0); // Wait for drawing to end
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}
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}
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@ -201,13 +201,10 @@ int main() {
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overlayFile = "\\cube.bin;1";
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//~ loadFile = &level0;
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} else if ( loadFileID == 1) {
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overlayFile = "\\tri.bin;1";
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//~ loadFile = &level1;
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}
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// Load overlay from CD if definde
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@ -217,45 +214,44 @@ int main() {
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CdInit();
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int cdread = 0, cdsync = 1;
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cdread = CdReadFile( (char *)(overlayFile), &load_all_overlays_here, 0);
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cdsync = CdReadSync(0, 0);
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#endif
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int i;
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int i;
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int PadStatus;
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int PadStatus;
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int TPressed=0;
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int TPressed=0;
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int AutoRotate=1;
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long t, p, OTz, Flag; // t == vertex count, p == depth cueing interpolation value, OTz == value to create Z-ordered OT, Flag == see LibOver47.pdf, p.143
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int AutoRotate=1;
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long t, p, OTz, Flag; // t == vertex count, p == depth cueing interpolation value, OTz == value to create Z-ordered OT, Flag == see LibOver47.pdf, p.143
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MESH * model = &Tri;
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POLY_GT3 *poly = {0}; // pointer to a POLY_GT3
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SVECTOR Rotate={ 0 }; // Rotation coordinates
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VECTOR Trans={ 0, 0, CENTERX, 0 }; // Translation coordinates
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// Scaling coordinates
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VECTOR Scale={ ONE, ONE, ONE, 0 }; // ONE == 4096
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MATRIX Matrix={0}; // Matrix data for the GTE
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SVECTOR Rotate={ 0 }; // Rotation coordinates
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VECTOR Trans={ 0, 0, CENTERX, 0 }; // Translation coordinates
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VECTOR Scale={ ONE, ONE, ONE, 0 }; // ONE == 4096
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MATRIX Matrix={0}; // Matrix data for the GTE
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// Texture window
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DR_MODE * dr_mode; // Pointer to dr_mode prim
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RECT tws = {0, 0, 32, 32}; // Texture window coordinates : x, y, w, h
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RECT tws = {0, 0, 32, 32}; // Texture window coordinates : x, y, w, h
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init();
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init();
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LoadTexture(_binary_TIM_cubetex_tim_start, &tim_cube);
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LoadTexture(_binary_TIM_cubetex_tim_start, &tim_cube);
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// Main loop
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while (1) {
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// Main loop
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while (1) {
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// Overlay switch
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@ -298,7 +294,7 @@ int main() {
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#ifdef USECD
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cdread = CdReadFile( (char *)(overlayFile), &load_all_overlays_here, 0);
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CdReadSync(0, 0);
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#endif
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@ -313,9 +309,9 @@ int main() {
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}
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// Read pad status
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// Read pad status
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PadStatus = PadRead(0);
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PadStatus = PadRead(0);
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// If select is pressed, change overlay
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@ -337,41 +333,42 @@ int main() {
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}
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if (AutoRotate) {
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Rotate.vy += 8; // Pan
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Rotate.vx += 8; // Tilt
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//~ Rotate.vz += 8; // Roll
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}
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// Clear the current OT
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if (AutoRotate) {
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Rotate.vy += 8; // Pan
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Rotate.vx += 8; // Tilt
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}
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ClearOTagR(ot[db], OTLEN);
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// Convert and set the matrixes
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// Clear the current OT
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ClearOTagR(ot[db], OTLEN);
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// Convert and set the matrixes
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RotMatrix(&Rotate, &Matrix);
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TransMatrix(&Matrix, &Trans);
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ScaleMatrix(&Matrix, &Scale);
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SetRotMatrix(&Matrix);
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SetRotMatrix(&Matrix);
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SetTransMatrix(&Matrix);
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// Render the sample vector model
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t=0;
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// Render the sample vector model
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t=0;
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// modelCube is a TMESH, len member == # vertices, but here it's # of triangle... So, for each tri * 3 vertices ...
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for (i = 0; i < (model->tmesh->len*3); i += 3) {
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for (i = 0; i < (model->tmesh->len*3); i += 3) {
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poly = (POLY_GT3 *)nextpri;
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// Initialize the primitive and set its color values
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SetPolyGT3(poly);
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((POLY_GT3 *)poly)->tpage = getTPage(tim_cube.mode&0x3, 0,
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@ -379,9 +376,9 @@ int main() {
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tim_cube.prect->y
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);
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setRGB0(poly, model->tmesh->c[i].r , model->tmesh->c[i].g , model->tmesh->c[i].b);
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setRGB1(poly, model->tmesh->c[i+1].r, model->tmesh->c[i+1].g, model->tmesh->c[i+1].b);
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setRGB2(poly, model->tmesh->c[i+2].r, model->tmesh->c[i+2].g, model->tmesh->c[i+2].b);
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setRGB0(poly, model->tmesh->c[i].r , model->tmesh->c[i].g , model->tmesh->c[i].b);
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setRGB1(poly, model->tmesh->c[i+1].r, model->tmesh->c[i+1].g, model->tmesh->c[i+1].b);
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setRGB2(poly, model->tmesh->c[i+2].r, model->tmesh->c[i+2].g, model->tmesh->c[i+2].b);
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setUV3(poly, model->tmesh->u[i].vx , model->tmesh->u[i].vy,
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model->tmesh->u[i+1].vx, model->tmesh->u[i+1].vy,
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@ -390,19 +387,19 @@ int main() {
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// Rotate, translate, and project the vectors and output the results into a primitive
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OTz = RotTransPers(&model->tmesh->v[model->index[t]] , (long*)&poly->x0, &p, &Flag);
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OTz += RotTransPers(&model->tmesh->v[model->index[t+1]], (long*)&poly->x1, &p, &Flag);
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OTz += RotTransPers(&model->tmesh->v[model->index[t+2]], (long*)&poly->x2, &p, &Flag);
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// Sort the primitive into the OT
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OTz /= 3;
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if ((OTz > 0) && (OTz < OTLEN))
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AddPrim(&ot[db][OTz-2], poly);
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nextpri += sizeof(POLY_GT3);
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OTz += RotTransPers(&model->tmesh->v[model->index[t+1]], (long*)&poly->x1, &p, &Flag);
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OTz += RotTransPers(&model->tmesh->v[model->index[t+2]], (long*)&poly->x2, &p, &Flag);
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t+=3;
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}
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// Sort the primitive into the OT
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OTz /= 3;
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if ((OTz > 0) && (OTz < OTLEN))
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AddPrim(&ot[db][OTz-2], poly);
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nextpri += sizeof(POLY_GT3);
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t+=3;
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}
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dr_mode = (DR_MODE *)nextpri;
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@ -415,7 +412,7 @@ int main() {
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nextpri += sizeof(DR_MODE);
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FntPrint("Hello overlay!\n");
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FntPrint("Hello overlay!\n");
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#ifndef USECD
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@ -432,9 +429,9 @@ int main() {
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#endif
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FntFlush(-1);
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display();
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display();
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}
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}
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return 0;
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}
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