Parallax mapping!

Normand Briere

2019-08-20 564f4d12d93813b5d680fc24d4f118c3886d96ed

 CameraPane.java
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@@ -1819,7 +1819,7 @@
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         display.modelParams7[0] = 0;
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         display.modelParams7[1] = 1000;
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-        display.modelParams7[2] = 0;
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+        display.modelParams7[2] = material.parallax;
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         display.modelParams7[3] = 0;
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         //display.modelParams6[0] = 100; // criss de bug de bump
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@@ -12593,7 +12593,7 @@
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                 "PARAM params4   = program.env[4];" + // anisoV, cameralight, selfshadow, shadow
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                 "PARAM params5   = program.env[5];" + // texture, opacity, fakedepth, shadowbias
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                 "PARAM params6   = program.env[6];" + // bump, noise, borderfade, fog punchthrough
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-                "PARAM params7   = program.env[7];" + // noise power, opacity power
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+                "PARAM params7   = program.env[7];" + // noise power, opacity power, parallax
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                 "PARAM options0   = program.env[63];" + // fog density, intensity, elevation
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                 "PARAM options1   = program.env[62];" + // fog rgb color
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                 "PARAM options2   = program.env[61];" + // image intensity, subsurface, lightsheen
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@@ -12838,7 +12838,7 @@
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        "POW texSamp.a, texSamp.a, params6.w;" + // fog punch through shortcut
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 // mar 2013 ???                "KIL alpha.a;" +
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                 "MOV alpha, texSamp.aaaa;" + // y;" +
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-         "KIL alpha.a;" +
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+         "KIL alpha.a;" + // not sure with parallax mapping
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                 /*
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                 "MUL temp.xy, temp, two;" +
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                 "TXB bump, temp, texture[0], 2D;" +
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@@ -12924,11 +12924,6 @@
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                 "SUB bump0, bump0, half;" +
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                 "ADD bump, bump, bump0;" +
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-                "MOV temp.x, texSamp.a;" +
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-                "LRP texSamp, params5.x, texSamp, one;" + // texture proportion
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-                //"LRP texSamp0, params5.x, texSamp0, one;" +
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-                "MOV texSamp.a, temp.x;" +
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-
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                 // double-sided
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                 /**/
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 (doublesided?"DP3 temp.z, normal, eye;" +
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@@ -12958,6 +12953,41 @@
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                 Normalize("U") +
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 // parallax mapping
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+
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+                "DP3 temp2.x, V, eye;" +
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+                "DP3 temp2.y, U, eye;" +
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+                "DP3 temp2.z, normal, eye;" +
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+                "RCP temp2.z, temp2.z;" +
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+                
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+                "DP3 temp2.w, texSamp, texSamp;" + // Height
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+                "RSQ temp2.w, temp2.w;" +
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+                "RCP temp2.w, temp2.w;" +
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+                
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+                "SUB temp2.w, temp2.w, half;" +
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+//                "SGE temp.x, temp2.w, eps.x;" +
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+//                "MUL temp2.w, temp2.w, temp.x;" +
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+                
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+                //"MOV texSamp, U;" +
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+                
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+                "MUL temp2.z, temp2.z, temp2.w;" +
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+                "MUL temp2.z, temp2.z, params7.z;" + // parallax
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+                
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+                "MUL temp2, temp2, temp2.z;" +
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+                
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+                "MOV temp, fragment.texcoord[0];" +
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+                
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+                "SUB temp, temp, temp2;" +
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+                
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+                "TEX texSamp, temp, texture[0], 2D;" +
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+                "POW texSamp.a, texSamp.a, params6.w;" + // punch through
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+                "MOV alpha, texSamp.aaaa;" +
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+                
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+// parallax mapping
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+                
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+                "MOV temp.x, texSamp.a;" +
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+                "LRP texSamp, params5.x, texSamp, one;" + // texture proportion
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+                //"LRP texSamp0, params5.x, texSamp0, one;" +
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+                "MOV texSamp.a, temp.x;" +
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 //"MOV temp, fragment.texcoord[0];" +
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 //                
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@@ -13739,7 +13769,7 @@
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     /*static*/ float[] modelParams4 = new float[]{0, 0, 0, 0}; // anisoV, cameralight, selfshadow, shadow
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     /*static*/ float[] modelParams5 = new float[]{0, 0, 0, 0}; // texture, opacity, fakedepth, shadowbias
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     /*static*/ float[] modelParams6 = new float[]{0, 0, 0, 0}; // bump, noise, borderfade, fog punchthrough
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-    /*static*/ float[] modelParams7 = new float[]{0, 0, 0, 0}; // noise power, opacity power
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+    /*static*/ float[] modelParams7 = new float[]{0, 0, 0, 0}; // noise power, opacity power, parallax
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     //Object3D.cVector2[] vector2buffer;
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