feat: default project up to 4 masks

README.md

@@ -263,6 +263,16 @@ Working with pages and items, you can use the following predefined sources and e
 
 See the [printable version](./docs/forge_default_mapping.pdf).
 
+### Available hotkeys
+
+| Hotkey | Function |
+| ------ | -------- |
+| <kbd>Shift</kbd> + <kbd>F</kbd> | Switch between shader-decoded or hardware decoded YUYV |
+| <kbd>M</kbd> | Projection mapping 1 |
+| <kbd>Shift</kbd> + <kbd>M</kbd> | Projection mapping 2 |
+| <kbd>Ctrl</kbd> + <kbd>M</kbd> | Projection mapping 3 |
+| <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>M</kbd> | Projection mapping 4 |
+
 ## Making your own FORGE project
 
 You want to embrace the "user" in "user-defined"? It's time to make your own project.

default/forge_project.cfg

@@ -235,11 +235,14 @@ GROUP_1_6_Y=19
 GROUP_1_6_Z=
 
 # Same for group 2
-GROUP_2_ACTIVE_COUNT=4
+GROUP_2_ACTIVE_COUNT=7
 GROUP_2_ACTIVE_1=36
 GROUP_2_ACTIVE_2=68
 GROUP_2_ACTIVE_3=52
-GROUP_2_ACTIVE_4=11077
+GROUP_2_ACTIVE_4=1077
+GROUP_2_ACTIVE_5=11077
+GROUP_2_ACTIVE_6=101077
+GROUP_2_ACTIVE_7=111077
 GROUP_2_COUNT=7
 GROUP_2_1_X=37
 GROUP_2_1_Y=53
@@ -273,7 +276,7 @@ GROUP_3_2_Y=16
 GROUP_3_2_Z=11089
 
 # Auto-Random Ignore (ARI) prefixes
-ARI_COUNT=17
+ARI_COUNT=62
 ARI_1=GROUP_3_1_Y
 ARI_2=GROUP_3_2_Z
 ARI_3=GROUP_2_1_X_4
@@ -291,6 +294,51 @@ ARI_14=GROUP_2_6_Z_4
 ARI_15=GROUP_2_7_X_4
 ARI_16=GROUP_2_7_Y_4
 ARI_17=GROUP_2_7_Z_4
+ARI_18=GROUP_2_1_X_5
+ARI_19=GROUP_2_1_Y_5
+ARI_20=GROUP_2_1_Z_5
+ARI_21=GROUP_2_2_X_5
+ARI_22=GROUP_2_2_Y_5
+ARI_23=GROUP_2_2_Z_5
+ARI_24=GROUP_2_4_X_5
+ARI_25=GROUP_2_4_Y_5
+ARI_26=GROUP_2_4_Z_5
+ARI_27=GROUP_2_6_X_5
+ARI_28=GROUP_2_6_Y_5
+ARI_29=GROUP_2_6_Z_5
+ARI_30=GROUP_2_7_X_5
+ARI_31=GROUP_2_7_Y_5
+ARI_32=GROUP_2_7_Z_5
+ARI_33=GROUP_2_1_X_6
+ARI_34=GROUP_2_1_Y_6
+ARI_35=GROUP_2_1_Z_6
+ARI_36=GROUP_2_2_X_6
+ARI_37=GROUP_2_2_Y_6
+ARI_38=GROUP_2_2_Z_6
+ARI_39=GROUP_2_4_X_6
+ARI_40=GROUP_2_4_Y_6
+ARI_41=GROUP_2_4_Z_6
+ARI_42=GROUP_2_6_X_6
+ARI_43=GROUP_2_6_Y_6
+ARI_44=GROUP_2_6_Z_6
+ARI_45=GROUP_2_7_X_6
+ARI_46=GROUP_2_7_Y_6
+ARI_47=GROUP_2_7_Z_6
+ARI_48=GROUP_2_1_X_7
+ARI_49=GROUP_2_1_Y_7
+ARI_50=GROUP_2_1_Z_7
+ARI_51=GROUP_2_2_X_7
+ARI_52=GROUP_2_2_Y_7
+ARI_53=GROUP_2_2_Z_7
+ARI_54=GROUP_2_4_X_7
+ARI_55=GROUP_2_4_Y_7
+ARI_56=GROUP_2_4_Z_7
+ARI_57=GROUP_2_6_X_7
+ARI_58=GROUP_2_6_Y_7
+ARI_59=GROUP_2_6_Z_7
+ARI_60=GROUP_2_7_X_7
+ARI_61=GROUP_2_7_Y_7
+ARI_62=GROUP_2_7_Z_7
 
 # =====
 # OTHER

default/frag9.glsl

@@ -10,34 +10,104 @@ out vec4 fragColor;
 
 uniform sampler2D iTex0;
 uniform vec3 iGroup2_4[7];
+uniform vec3 iGroup2_5[7];
+uniform vec3 iGroup2_6[7];
+uniform vec3 iGroup2_7[7];
 
 void main() {
-    bool visible = iGroup2_4[0].x > 0;
-    bool invert = iGroup2_4[0].y > 0;
-    float rect = iGroup2_4[0].z;
+    bool visible = (iGroup2_4[0].x + iGroup2_5[0].x + iGroup2_6[0].x + iGroup2_7[0].x) > 0;
+    bool invert = (iGroup2_4[0].y + iGroup2_5[0].y + iGroup2_6[0].y + iGroup2_7[0].y) > 0;
+    float rect = clamp(iGroup2_4[0].z + iGroup2_5[0].z + iGroup2_6[0].z + iGroup2_7[0].z, 0, 1);
+    bool modified = false;
 
-    vec2 uv2 = vUV;
+    vec2 uv = mix(vec2(0), vUV, base_mask(vUV));
 
-    if (visible) {
-        vec2 p1 = vec2(iGroup2_4[6].xy);
-        vec2 p2 = vec2(iGroup2_4[1].xy);
-        vec2 p3 = vec2(iGroup2_4[3].xy);
-        vec2 p4 = vec2(iGroup2_4[5].xy);
+    if (iGroup2_4[0].x > 0) {
+        vec2 p11 = vec2(iGroup2_4[6].xy);
+        vec2 p12 = vec2(iGroup2_4[1].xy);
+        vec2 p13 = vec2(iGroup2_4[3].xy);
+        vec2 p14 = vec2(iGroup2_4[5].xy);
 
-        p2.x = 1 - p2.x;
-        p3.y = 1 - p3.y;
-        p4.x = 1 - p4.x;
-        p4.y = 1 - p4.y;
+        p12.x = 1 - p12.x;
+        p13.y = 1 - p13.y;
+        p14.x = 1 - p14.x;
+        p14.y = 1 - p14.y;
 
-        uv2 = project_4p(vUV, p1, p2, p3, p4);
+        vec2 uv1 = project_4p(vUV, p11, p12, p13, p14);
+        uv1 = mix(vec2(0), uv1, base_mask(uv1));
+        uv = uv1;
+        modified = true;
     }
 
-    vec4 color = texture(iTex0, invert ? vUV : uv2);
+    if (iGroup2_5[0].x > 0) {
+        vec2 p21 = vec2(iGroup2_5[6].xy);
+        vec2 p22 = vec2(iGroup2_5[1].xy);
+        vec2 p23 = vec2(iGroup2_5[3].xy);
+        vec2 p24 = vec2(iGroup2_5[5].xy);
+
+        p22.x = 1 - p22.x;
+        p23.y = 1 - p23.y;
+        p24.x = 1 - p24.x;
+        p24.y = 1 - p24.y;
+
+        vec2 uv2 = project_4p(vUV, p21, p22, p23, p24);
+        uv2 = mix(vec2(0), uv2, base_mask(uv2));
+        if (modified) {
+            uv = mix(uv, uv2, step(0.0001, length(uv2)));
+        } else {
+            uv = uv2;
+        }
+        modified = true;
+    }
+
+    if (iGroup2_6[0].x > 0) {
+        vec2 p31 = vec2(iGroup2_6[6].xy);
+        vec2 p32 = vec2(iGroup2_6[1].xy);
+        vec2 p33 = vec2(iGroup2_6[3].xy);
+        vec2 p34 = vec2(iGroup2_6[5].xy);
+
+        p32.x = 1 - p32.x;
+        p33.y = 1 - p33.y;
+        p34.x = 1 - p34.x;
+        p34.y = 1 - p34.y;
+
+        vec2 uv3 = project_4p(vUV, p31, p32, p33, p34);
+        uv3 = mix(vec2(0), uv3, base_mask(uv3));
+        if (modified) {
+            uv = mix(uv, uv3, step(0.0001, length(uv3)));
+        } else {
+            uv = uv3;
+        }
+        modified = true;
+    }
+
+    if (iGroup2_7[0].x > 0) {
+        vec2 p41 = vec2(iGroup2_7[6].xy);
+        vec2 p42 = vec2(iGroup2_7[1].xy);
+        vec2 p43 = vec2(iGroup2_7[3].xy);
+        vec2 p44 = vec2(iGroup2_7[5].xy);
+
+        p42.x = 1 - p42.x;
+        p43.y = 1 - p43.y;
+        p44.x = 1 - p44.x;
+        p44.y = 1 - p44.y;
+
+        vec2 uv4 = project_4p(vUV, p41, p42, p43, p44);
+        uv4 = mix(vec2(0), uv4, base_mask(uv4));
+        if (modified) {
+            uv = mix(uv, uv4, step(0.0001, length(uv4)));
+        } else {
+            uv = uv4;
+        }
+        modified = true;
+    }
+
+    vec4 color = texture(iTex0, invert ? vUV : uv);
 
     if (visible) {
-        float mask = step(0, uv2.x) * step(-1, -uv2.x) * step(0, uv2.y) * step(-1, -uv2.y);
+        float mask = step(0.0001, length(uv));
         color *= mix(mask, 1 - mask, invert ? 1 : 0);
-        color = mix(color, color + mask * vec4(1), rect * (step(uv2.x, 0.01) + step(uv2.y, 0.01) + step(1 - uv2.y, 0.01) + step(1 - uv2.x, 0.01)));
+        color = mix(color, color + mask * vec4(1), rect * (step(uv.x, 0.01) + step(uv.y, 0.01) + step(1 - uv.y, 0.01) + step(1 - uv.x, 0.01)));
     }
 
     fragColor = color;

default/inc_map.glsl

@@ -23,4 +23,8 @@ vec2 project_4p(vec2 uv, vec2 p1, vec2 p2, vec2 p3, vec2 p4) {
     return tmp.xy / tmp.z;
 }
 
+float base_mask(vec2 uv) {
+    return step(0, uv.x) * step(-1, -uv.x) * step(0, uv.y) * step(-1, -uv.y);
+}
+
 #endif