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authorTavian Barnes <tavianator@gmail.com>2010-01-14 00:07:46 -0500
committerTavian Barnes <tavianator@gmail.com>2010-01-14 00:07:46 -0500
commite261cff9bf8f4f42a769fecc5414d42b582dc9f7 (patch)
tree4d02139ee6e90c51d697c386517829d179bc698e /dimension/realize.c
parent1cde219bafb9bdbedd013851ab44109a2ad273b9 (diff)
downloaddimension-e261cff9bf8f4f42a769fecc5414d42b582dc9f7.tar.xz
Begin parsing finishes.
Diffstat (limited to 'dimension/realize.c')
-rw-r--r--dimension/realize.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/dimension/realize.c b/dimension/realize.c
index 5ba4c8b..7b1ce04 100644
--- a/dimension/realize.c
+++ b/dimension/realize.c
@@ -24,6 +24,7 @@
#include "utility.h"
#include <math.h>
#include <stdio.h>
+#include <stdbool.h>
static double
dmnsn_realize_float(dmnsn_astnode astnode)
@@ -374,6 +375,86 @@ dmnsn_realize_pigment(dmnsn_astnode astnode)
return pigment;
}
+
+static dmnsn_finish *
+dmnsn_realize_finish(dmnsn_astnode astnode)
+{
+ if (astnode.type != DMNSN_AST_FINISH) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Expected a finish.");
+ }
+
+ dmnsn_finish *finish = dmnsn_new_finish();
+
+ dmnsn_color ambient = dmnsn_black;
+ bool ambient_set = false;
+
+ double diffuse = 0.0;
+ bool diffuse_set = false;
+
+ double phong = 0.0;
+ double phong_size = 40.0;
+
+ unsigned int i;
+ for (i = 0; i < dmnsn_array_size(astnode.children); ++i) {
+ dmnsn_astnode item;
+ dmnsn_astnode child;
+ dmnsn_array_get(astnode.children, i, &item);
+
+ switch (item.type) {
+ case DMNSN_AST_AMBIENT:
+ dmnsn_array_get(item.children, 0, &child);
+ ambient = dmnsn_realize_color(child);
+ ambient_set = true;
+ break;
+
+ case DMNSN_AST_DIFFUSE:
+ dmnsn_array_get(item.children, 0, &child);
+ diffuse = dmnsn_realize_float(child);
+ diffuse_set = true;
+ break;
+
+ case DMNSN_AST_PHONG:
+ dmnsn_array_get(item.children, 0, &child);
+ phong = dmnsn_realize_float(child);
+ break;
+ case DMNSN_AST_PHONG_SIZE:
+ dmnsn_array_get(item.children, 0, &child);
+ phong_size = dmnsn_realize_float(child);
+ break;
+
+ default:
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Invalid finish item.");
+ }
+ }
+
+ if (ambient_set) {
+ finish = dmnsn_new_finish_combination(
+ dmnsn_new_ambient_finish(ambient),
+ finish
+ );
+ }
+
+ if (diffuse_set) {
+ finish = dmnsn_new_finish_combination(
+ dmnsn_new_diffuse_finish(diffuse),
+ finish
+ );
+ }
+
+ if (phong) {
+ finish = dmnsn_new_finish_combination(
+ dmnsn_new_phong_finish(phong, phong_size),
+ finish
+ );
+ }
+
+ if (!finish) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH, "Couldn't allocate finish.");
+ }
+
+ return finish;
+}
+
static dmnsn_texture *
dmnsn_realize_texture(dmnsn_astnode astnode)
{
@@ -397,6 +478,11 @@ dmnsn_realize_texture(dmnsn_astnode astnode)
texture->pigment = dmnsn_realize_pigment(modifier);
break;
+ case DMNSN_AST_FINISH:
+ dmnsn_delete_finish(texture->finish);
+ texture->finish = dmnsn_realize_finish(modifier);
+ break;
+
default:
dmnsn_error(DMNSN_SEVERITY_HIGH, "Invalid texture item.");
}