1 files changed, 68 insertions, 0 deletions
diff --git a/Minecraft.Client/BookModel.cpp b/Minecraft.Client/BookModel.cpp
new file mode 100644
index 00000000..bc4769bd
--- /dev/null
+++ b/Minecraft.Client/BookModel.cpp
@@ -0,0 +1,68 @@
+#include "stdafx.h"
+#include "..\Minecraft.World\Mth.h"
+#include "BookModel.h"
+#include "ModelPart.h"
+
+BookModel::BookModel() 
+{
+	leftLid = (new ModelPart(this))->texOffs(0, 0)->addBox(-6, -5, 0, 6, 10, 0);
+	rightLid = (new ModelPart(this))->texOffs(16, 0)->addBox(0, -5, 0, 6, 10, 0);
+
+	seam = (new ModelPart(this))->texOffs(12, 0)->addBox(-1, -5, 0, 2, 10, 0);
+
+	// 4J - added faceMasks here to remove sides of these page boxes which end up being nearly coplanar to the cover of the book and flickering when rendering at a distance
+	leftPages = (new ModelPart(this))->texOffs(0, 10)->addBoxWithMask(0, -4, -1 + 0.01f, 5, 8, 1, 47);		// 4J - faceMask is binary 101111
+	rightPages = (new ModelPart(this))->texOffs(12, 10)->addBoxWithMask(0, -4, -0.01f, 5, 8, 1, 31);		// 4J - faceMask is binary 011111
+
+	flipPage1 = (new ModelPart(this))->texOffs(24, 10)->addBox(0, -4, 0, 5, 8, 0);
+	flipPage2 = (new ModelPart(this))->texOffs(24, 10)->addBox(0, -4, 0, 5, 8, 0);
+
+	leftLid->setPos(0, 0, -1);
+	rightLid->setPos(0, 0, 1);
+
+	seam->yRot = PI / 2;
+
+	// 4J added - compile now to avoid random performance hit first time cubes are rendered
+	leftLid->compile(1.0f/16.0f);
+	rightLid->compile(1.0f/16.0f);
+	seam->compile(1.0f/16.0f);
+	leftPages->compile(1.0f/16.0f);
+	rightPages->compile(1.0f/16.0f);
+	flipPage1->compile(1.0f/16.0f);
+	flipPage2->compile(1.0f/16.0f);
+
+}
+
+void BookModel::render(shared_ptr<Entity> entity, float time, float r, float bob, float yRot, float xRot, float scale, bool usecompiled) 
+{
+	setupAnim(time, r, bob, yRot, xRot, scale);
+
+	leftLid->render(scale,usecompiled);
+	rightLid->render(scale,usecompiled);
+	seam->render(scale,usecompiled);
+
+	leftPages->render(scale,usecompiled);
+	rightPages->render(scale,usecompiled);
+
+	flipPage1->render(scale,usecompiled);
+	flipPage2->render(scale,usecompiled);
+}
+
+void BookModel::setupAnim(float time, float r, float bob, float yRot, float xRot, float scale, unsigned int uiBitmaskOverrideAnim)
+{
+	float openness = (Mth::sin(time * 0.02f) * 0.10f + 1.25f) * yRot;
+
+	leftLid->yRot = PI + openness;
+	rightLid->yRot = -openness;
+	leftPages->yRot = +openness;
+	rightPages->yRot = -openness;
+
+	flipPage1->yRot = +openness - openness * 2 * r;
+	flipPage2->yRot = +openness - openness * 2 * bob;
+
+	leftPages->x = Mth::sin(openness);
+	rightPages->x = Mth::sin(openness);
+	flipPage1->x = Mth::sin(openness);
+	flipPage2->x = Mth::sin(openness);
+}
+