Added Effect Labels (switchable) + rotozoom effect

CMakeLists.txt

@@ -27,11 +27,14 @@ set(SOURCES
   src/effects/firecube.cpp
   src/effects/morphfire.cpp
   src/effects/linemorph.cpp
+  src/effects/rotozoom.cpp
 )
 
 set(ASSETS_cg
   assets-cg/fontmatrix.png
+  assets-cg/fontlabel.png
   assets-cg/bglens.png
+  assets-cg/tile.png
 )
 
 fxconv_declare_assets(${ASSETS_cg} WITH_METADATA)

TODO.txt

@@ -4,6 +4,10 @@ To Add a Spline Morphing Effect with Fire
 
 To Add a High Velocity Blur Effect
 
-Check if the G90+E is powerful enough for Rotozoom / Tunnel Effect
+[Done = OK] Check if the G90+E is powerful enough for Rotozoom
+
+Check if the G90+E is powerful enough for Tunnel Effect
 
 Check if the G90+E is powerful enough for Liquid Metal / True Metaballs Effect
+
+Check if the G90+E is powerful enough for Bump Mapping Effet + pick a good image for that effect

assets-cg/fxconv-metadata.txt

@@ -4,9 +4,21 @@ fontmatrix.png:
   charset: print
   grid.size: 9x14
 
+fontlabel.png:
+  type: font
+  name: font_label
+  charset: print
+  grid.size: 10x13
+  grid.padding: 0
+  grid.border: 0
+  proportional: true
+
 bglens.png:
   type: bopti-image
   profile: p8
   name: bglens
 
-  
+tile.png:
+  type: bopti-image
+  profile: p8
+  name: tilerotozoom

src/effects/effects.h

@@ -9,6 +9,7 @@
 
 /* EFFECT #1 : PLASMA EFFECT */
 
+char *plasma_text( void );
 void plasma_init( bopti_image_t *screen );
 void plasma_update( bopti_image_t *screen, float dt );
 void plasma_render( bopti_image_t *screen );
@@ -17,6 +18,7 @@ void plasma_deinit( bopti_image_t *screen );
 
 /* EFFECT #2 : MORPHING EFFECT : FROM SPHERE TO TORUS */
 
+char *morph_text( void );
 void morph_init( bopti_image_t *screen );
 void morph_update( bopti_image_t *screen, float dt );
 void morph_render( bopti_image_t *screen );
@@ -25,6 +27,7 @@ void morph_deinit( bopti_image_t *screen );
 
 /* EFFECT #3 : MATRIX EFFECT */
 
+char *matrix_text( void );
 void matrix_init( bopti_image_t *screen );
 void matrix_update( bopti_image_t *screen, float dt );
 void matrix_render( bopti_image_t *screen );
@@ -33,6 +36,7 @@ void matrix_deinit( bopti_image_t *screen );
 
 /* EFFECT #4 : LENS EFFECT */
 
+char *lens_text( void );
 void lens_init( bopti_image_t *screen );
 void lens_update( bopti_image_t *screen, float dt );
 void lens_render( bopti_image_t *screen );
@@ -41,6 +45,7 @@ void lens_deinit( bopti_image_t *screen );
 
 /* EFFECT #5 : CUBEFIRE EFFECT */
 
+char *firecube_text( void );
 void firecube_init( bopti_image_t *screen );
 void firecube_update( bopti_image_t *screen, float dt );
 void firecube_render( bopti_image_t *screen );
@@ -48,19 +53,30 @@ void firecube_deinit( bopti_image_t *screen );
 void Blur( bopti_image_t *screen );
 void drawline(bopti_image_t *screen, int x1, int y1, int x2, int y2, uint8_t color);
 
-/* EFFECT #2 : MORPHING EFFECT : FROM SPHERE TO TORUS */
+/* EFFECT #6 : MORPHING EFFECT WITH FIRE : FROM SPHERE TO TORUS */
 
+char *morphfire_text( void );
 void morphfire_init( bopti_image_t *screen );
 void morphfire_update( bopti_image_t *screen, float dt );
 void morphfire_render( bopti_image_t *screen );
 void morphfire_deinit( bopti_image_t *screen );
 
 
-/* EFFECT #2 : MORPHING EFFECT : FROM SPHERE TO TORUS */
+/* EFFECT #7 : MORPHING EFFECT : BOUNCING LINE ON SCREEN */
 
+char *linemorph_text( void );
 void linemorph_init( bopti_image_t *screen );
 void linemorph_update( bopti_image_t *screen, float dt );
 void linemorph_render( bopti_image_t *screen );
 void linemorph_deinit( bopti_image_t *screen );
 
+
+/* EFFECT #8 : ROTOZOOM EFFECT */
+
+char *rotozoom_text( void );
+void rotozoom_init( bopti_image_t *screen );
+void rotozoom_update( bopti_image_t *screen, float dt );
+void rotozoom_render( bopti_image_t *screen );
+void rotozoom_deinit( bopti_image_t *screen );
+
 #endif

src/effects/firecube.cpp

@@ -164,4 +164,12 @@ void firecube_render( bopti_image_t *screen )
 void firecube_deinit( bopti_image_t *screen )
 {
 
+}
+
+
+char firecube_TextToRender[100] = "Mesmerizing Rotating & Burning Cube > _\0";
+
+char *firecube_text( void )
+{
+    return firecube_TextToRender;
 }

src/effects/lens.cpp

@@ -99,4 +99,12 @@ void lens_render( bopti_image_t *screen )
 void lens_deinit( bopti_image_t *screen )
 {
 
+}
+
+
+char lens_TextToRender[100] = "Classical Lens Magnification > _\0";
+
+char *lens_text( void )
+{
+    return lens_TextToRender;
 }

src/effects/linemorph.cpp

@@ -79,4 +79,12 @@ void linemorph_render( bopti_image_t *screen )
 void linemorph_deinit( bopti_image_t *screen )
 {
 
+}
+
+
+char linemorph_TextToRender[100] = "Simple Blured & Bouncing Line > _\0";
+
+char *linemorph_text( void )
+{
+    return linemorph_TextToRender;
 }

src/effects/matrix.cpp

@@ -95,4 +95,12 @@ void matrix_render( bopti_image_t *screen )
 void matrix_deinit( bopti_image_t *screen )
 {
     free( strips );
+}
+
+
+char matrix_TextToRender[100] = "Enter The Matrix > _\0";
+
+char *matrix_text( void )
+{
+    return matrix_TextToRender;
 }

src/effects/morph.cpp

@@ -138,4 +138,12 @@ void morph_render( bopti_image_t *screen )
 void morph_deinit( bopti_image_t *screen )
 {
 
+}
+
+
+char morph_TextToRender[100] = "Dot-Based Shapes Morphing > _\0";
+
+char *morph_text( void )
+{
+    return morph_TextToRender;
 }

src/effects/morphfire.cpp

@@ -161,4 +161,12 @@ void morphfire_render( bopti_image_t *screen )
 void morphfire_deinit( bopti_image_t *screen )
 {
 
+}
+
+
+char morphfire_TextToRender[100] = "Morphing & Blur > _\0";
+
+char *morphfire_text( void )
+{
+    return morphfire_TextToRender;
 }

src/effects/plasma.cpp

@@ -82,4 +82,12 @@ void plasma_render( bopti_image_t *screen )
 void plasma_deinit( bopti_image_t *screen )
 {
     free( aSin );
+}
+
+
+char plasma_TextToRender[100] = "Plasma Sinusoids > _\0";
+
+char *plasma_text( void )
+{
+    return plasma_TextToRender;
 }

src/effects/rotozoom.cpp

@@ -0,0 +1,82 @@
+#include "effects.h"
+
+#include <num/num.h>
+#include "../utilities/fast_trig.h"
+
+#include <cstring>
+#include <gint/rtc.h>
+
+
+extern bopti_image_t tilerotozoom;
+
+static int roto[256];
+static int roto2[256];
+
+unsigned path = 0;
+unsigned zpath = 0;
+
+
+void rotozoom_init( bopti_image_t *screen )
+{
+    image_copy_palette( &tilerotozoom, screen, -1 );
+
+    for (int i = 0; i < 256; i++)
+    {
+        float rad =  (float)i * 1.41176 * 0.0174532;
+	    float c = sin(rad);
+        roto[i] = (int) ((c + 0.8) * 4096.0);
+	    roto2[i] = (int) ((2.0 * c) * 4096.0);
+    }
+}
+
+
+void draw_tile(bopti_image_t *screen, int stepx, int stepy, int zoom)
+{
+    int8_t *image = (int8_t *)screen->data;
+    int8_t *texture = (int8_t *)tilerotozoom.data;
+    int x, y, i, j, xd, yd, a, b, sx, sy;
+    sx = sy = 0;
+    xd = (stepx * zoom) >> 12;
+    yd = (stepy * zoom) >> 12;
+ 
+    for (j = 0; j < MAXHEIGHT; j++)
+    {
+        x = sx; y = sy;   
+        for (i = 0; i < screen->stride; i++)
+        {
+            a = x >> 12 & 255;
+            b = y >> 12 & 255;
+            *image++ = texture[b * tilerotozoom.stride + a];
+            x += xd; y += yd;
+        }
+        sx -= yd; sy += xd;
+    }
+}
+
+void rotozoom_update( bopti_image_t *screen, [[Maybe_unused]] float dt )
+{
+    draw_tile( screen, roto[path], roto[(path + 128) & 255], roto2[zpath]);
+
+    path = (path - 1) & 255;
+    zpath = (zpath + 1) & 255;
+}
+
+
+void rotozoom_render( bopti_image_t *screen )
+{
+    dimage(0,0,screen);
+}
+
+
+void rotozoom_deinit( bopti_image_t *screen )
+{
+
+}
+
+
+char rotozoom_TextToRender[100] = "Classical Amiga-Like Rotozoom > _\0";
+
+char *rotozoom_text( void )
+{
+    return rotozoom_TextToRender;
+}

src/main.cpp

@@ -22,20 +22,24 @@
 
 #include "effects/effects.h"
 
+#include <string>
 
 
-
-#define TOTAL_NB_EFFECT 7
+#define TOTAL_NB_EFFECT 8
 typedef void (*PtrToFunc)( bopti_image_t * );
 typedef void (*PtrToFuncDt)( bopti_image_t *, float );
+typedef char* (*PtrTextFunc)( void );
 
-PtrToFunc Effects_Init[] = { &linemorph_init, &plasma_init, &morph_init, &lens_init, &firecube_init, &matrix_init, &morphfire_init };
-PtrToFuncDt Effects_Update[] = { &linemorph_update, &plasma_update, &morph_update, &lens_update, &firecube_update, &matrix_update, &morphfire_update };
-PtrToFunc Effects_Render[] = { &linemorph_render, &plasma_render, &morph_render, &lens_render, &firecube_render, &matrix_render, &morphfire_render };
-PtrToFunc Effects_DeInit[] = { &linemorph_deinit, &plasma_deinit, &morph_deinit, &lens_deinit, &firecube_deinit, &matrix_deinit, &morphfire_deinit };
+PtrTextFunc Effect_Text[] = { &rotozoom_text, &linemorph_text, &plasma_text, &morph_text, &lens_text, &firecube_text, &matrix_text, &morphfire_text };
+PtrToFunc Effects_Init[] = { &rotozoom_init, &linemorph_init, &plasma_init, &morph_init, &lens_init, &firecube_init, &matrix_init, &morphfire_init };
+PtrToFuncDt Effects_Update[] = { &rotozoom_update, &linemorph_update, &plasma_update, &morph_update, &lens_update, &firecube_update, &matrix_update, &morphfire_update };
+PtrToFunc Effects_Render[] = { &rotozoom_render, &linemorph_render, &plasma_render, &morph_render, &lens_render, &firecube_render, &matrix_render, &morphfire_render };
+PtrToFunc Effects_DeInit[] = { &rotozoom_deinit, &linemorph_deinit, &plasma_deinit, &morph_deinit, &lens_deinit, &firecube_deinit, &matrix_deinit, &morphfire_deinit };
 int current_effect = 0;
 
 
+
+
 #if(MORE_RAM)
     static kmalloc_arena_t extended_ram = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0,0,0,0,0,0 };
     static kmalloc_arena_t *_uram;
@@ -53,7 +57,7 @@ bool skip_intro = false;
 bool screenshot = false;
 bool record = false;
 bool showFPS = false;
-
+bool showName = true;
 
 bool choosePrevious = false;
 bool chooseNext = false;
@@ -69,7 +73,7 @@ prof_t perf_update, perf_render;
 
 
 extern font_t font_matrix;
-
+extern font_t font_label;
 
 
 bopti_image_t *screen;
@@ -165,16 +169,23 @@ void FreeMoreRAM( void )
     #endif
 }
 
-
-
 static void Initialise( void )
 {
     (*Effects_Init[ current_effect ])( screen );
 }
 
+
+
+
 static void Render( void )
 {
     (*Effects_Render[ current_effect ])( screen );
+
+    if (showName)
+    {
+        dfont( &font_label );
+        dprint( 10, 205, C_WHITE, "%s", (*Effect_Text[current_effect])() );
+    }
 }
 
 static void Update( [[maybe_unused]] float dt )
@@ -194,6 +205,7 @@ static void GetInputs( [[maybe_unused]] float dt  )
     if (Keyboard.IsKeyPressed(MYKEY_EXIT)) {exitToOS = true; };
 
     if (Keyboard.IsKeyPressedEvent(MYKEY_F3)) showFPS = !showFPS;
+    if (Keyboard.IsKeyPressedEvent(MYKEY_F4)) showName = !showName;
 
     if ((Keyboard.IsKeyPressedEvent(MYKEY_F1) || choosePrevious) && current_effect>=1)
     {