# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1574457062 -7200
# Node ID 2e85c180afdf792ae0d21b063e6ece692d7a0911
# Parent  1215fdd0a8abcb890fe10de961b5eebc2a062d2f
Add support for specifying shader file filenames in the scene for each model.

diff -r 1215fdd0a8ab -r 2e85c180afdf dmmodel.cpp
--- a/dmmodel.cpp	Fri Nov 22 22:57:14 2019 +0200
+++ b/dmmodel.cpp	Fri Nov 22 23:11:02 2019 +0200
@@ -664,7 +664,7 @@
             DMModel newmodel;
             if (tokens.size() != 2)
             {
-                return dmError(info,
+                return dmSyntaxError(info,
                     "Keyword model expects a filename argument");
             }
 
@@ -674,6 +674,30 @@
             info.state = 1;
         }
         else
+        if (info.state == 1 && (key == "shaderfile"))
+        {
+            if (tokens.size() != 3)
+            {
+                return dmSyntaxError(info,
+                    "Keyword shaderfile expects shader type (fs, vs) and filename arguments");
+            }
+
+            std::string
+                &shtype = tokens[1],
+                &shfile = tokens[2];
+
+            if (shtype == "fs")
+                model->fragShaderFile = shfile;
+            else
+            if (shtype == "vs")
+                model->vertShaderFile = shfile;
+            else
+            {
+                return dmSyntaxError(info,
+                    "Invalid shaderfile type '"+ shtype +"'");
+            }
+        }
+        else
         if (info.state == 1 && (key == "translate" || key == "rotate" || key == "scale"))
         {
             DMVector3 vec;
@@ -709,7 +733,7 @@
         {
             if (tokens.size() != 2)
             {
-                return dmError(info,
+                return dmSyntaxError(info,
                     "Expected argument for shininess");
             }