first test for lolimgui

build/Lol (vs2015).sln

@@ -64,6 +64,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lolremez", "..\tools\lolrem
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Samples", "Samples", "{B6297FF2-63D0-41EE-BE13-EFF720C9B0FA}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "15_lolimgui", "..\doc\tutorial\15_lolimgui.vcxproj", "{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|ORBIS = Debug|ORBIS
@@ -294,6 +296,18 @@ Global
 		{73F1A804-1116-46C3-922A-9C0ADEB33F52}.Release|Win32.Build.0 = Release|Win32
 		{73F1A804-1116-46C3-922A-9C0ADEB33F52}.Release|x64.ActiveCfg = Release|x64
 		{73F1A804-1116-46C3-922A-9C0ADEB33F52}.Release|x64.Build.0 = Release|x64
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|ORBIS.ActiveCfg = Debug|ORBIS
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|ORBIS.Build.0 = Debug|ORBIS
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|Win32.ActiveCfg = Debug|Win32
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|Win32.Build.0 = Debug|Win32
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|x64.ActiveCfg = Debug|x64
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Debug|x64.Build.0 = Debug|x64
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|ORBIS.ActiveCfg = Release|ORBIS
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|ORBIS.Build.0 = Release|ORBIS
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|Win32.ActiveCfg = Release|Win32
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|Win32.Build.0 = Release|Win32
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|x64.ActiveCfg = Release|x64
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -326,5 +340,6 @@ Global
 		{4C4BD478-3767-4C27-BD91-DAAFE7CD03A2} = {3D341D8A-E400-4B1D-BC05-B5C35487D9B5}
 		{73F1A804-1116-46C3-922A-9C0ADEB33F52} = {4C4BD478-3767-4C27-BD91-DAAFE7CD03A2}
 		{B6297FF2-63D0-41EE-BE13-EFF720C9B0FA} = {1AFD580B-98B8-4689-B661-38C41132C60E}
+		{81C83B42-D00A-4FA3-9A3D-80F9D46524BF} = {E74CF679-CA2A-47E9-B1F4-3779D6AC6B04}
 	EndGlobalSection
 EndGlobal

doc/tutorial/15_lolimgui.cpp

@@ -0,0 +1,86 @@
+//
+//  Lol Engine — Shader builder tutorial
+//
+//  Copyright © 2012—2015 Sam Hocevar <sam@hocevar.net>
+//
+//  Lol Engine is free software. It comes without any warranty, to
+//  the extent permitted by applicable law. You can redistribute it
+//  and/or modify it under the terms of the Do What the Fuck You Want
+//  to Public License, Version 2, as published by the WTFPL Task Force.
+//  See http://www.wtfpl.net/ for more details.
+//
+
+#if HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#include <lol/engine.h>
+#include "loldebug.h"
+#include <cstdio>
+
+using namespace lol;
+
+class LolImGuiDemo : public WorldEntity
+{
+public:
+	LolImGuiDemo()
+	{
+		LolImGui::Init();
+	}
+
+	~LolImGuiDemo()
+	{
+		LolImGui::Shutdown();
+	}
+
+	virtual void TickGame(float seconds)
+    {
+        WorldEntity::TickGame(seconds);
+
+		static float f;
+		static vec3 clear_color;
+		static char buf[512];
+		ImGuiIO& io = ImGui::GetIO();
+		ImGui::SetNextWindowFocus();
+		ImGui::Begin("testature");
+		{
+			ImGui::Text("Hello, world!");
+			ImGui::Text("prout!");
+			ImGui::Text("prout!%i", 100);
+			ImGui::Text("MousePos!%.2f/%.2f", io.MousePos.x, io.MousePos.y);
+			ImGui::Button("Test Window");
+			ImGui::Text("Slider: %.2f", f);
+			ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
+			//ImGui::ColorEdit3("clear color", (float*)&clear_color);
+			ImGui::Text("Left Mouse: %s", io.MouseDown[0] ? "true" : "false");
+			ImGui::Text("Scroll: %f", io.MouseWheel);
+			ImGui::Text("Maj: %s", io.KeyShift ? "true" : "false");
+			ImGui::Text("Ctrl: %s", io.KeyCtrl ? "true" : "false");
+			ImGui::Text("Clipboard %s", LolImGui::GetClipboard());
+			ImGui::InputText("base input", buf, 512);
+			if (ImGui::IsItemActive())
+				ImGui::Text("Focused: true");
+			else
+				ImGui::Text("Focused: false");
+		}
+		ImGui::End();
+	}
+
+    virtual void TickDraw(float seconds, Scene &scene)
+    {
+        WorldEntity::TickDraw(seconds, scene);
+    }
+};
+
+int main(int argc, char **argv)
+{
+    sys::init(argc, argv);
+
+    Application app("Tutorial 15: LolImGui", ivec2(800, 600), 60.0f);
+
+    new LolImGuiDemo();
+
+    app.Run();
+    return EXIT_SUCCESS;
+}
+

doc/tutorial/15_lolimgui.vcxproj

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="LolMacros">
+    <LolDir Condition="Exists('$(SolutionDir)\lol')">$(SolutionDir)\lol</LolDir>
+    <LolDir Condition="!Exists('$(SolutionDir)\lol')">$(SolutionDir)\..</LolDir>
+  </PropertyGroup>
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ORBIS">
+      <Configuration>Debug</Configuration>
+      <Platform>ORBIS</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ORBIS">
+      <Configuration>Release</Configuration>
+      <Platform>ORBIS</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(LolDir)\src\lol-core.vcxproj">
+      <Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(LolDir)\src\3rdparty\lol-bullet.vcxproj">
+      <Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(LolDir)\src\3rdparty\lol-lua.vcxproj">
+      <Project>{d84021ca-b233-4e0f-8a52-071b83bbccc4}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="15_lolimgui.cpp" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{81C83B42-D00A-4FA3-9A3D-80F9D46524BF}</ProjectGuid>
+    <ConfigurationType>Application</ConfigurationType>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(LolDir)\build\msbuild\lol.config.props" />
+  <ImportGroup Label="ExtensionSettings">
+    <Import Project="$(LolDir)\build\msbuild\lolfx.props" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(LolDir)\build\msbuild\lol.vars.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <Import Project="$(LolDir)\build\msbuild\lol.rules.props" />
+  <ItemDefinitionGroup />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="$(LolDir)\build\msbuild\lolfx.targets" />
+  </ImportGroup>
+</Project>

doc/tutorial/imgui.ini

@@ -0,0 +1,10 @@
+[Debug]
+Pos=60,60
+Size=400,400
+Collapsed=0
+
+[testature]
+Pos=140,75
+Size=197,287
+Collapsed=0
+

src/3rdparty/imgui

@@ -1 +1 @@
-Subproject commit 0123fc8c0f3f9b9d55b31d7403dea32d568032fe
+Subproject commit cb7e1c18b57092da146307557b3e9d1fead7430f

src/gpu/vertexbuffer.cpp

@@ -103,6 +103,11 @@ void VertexDeclaration::DrawElements(MeshPrimitive type, int skip, int count)
     }
 }
 
+void VertexDeclaration::DrawIndexedElements_(MeshPrimitive type, int count, const short* skip)
+{
+	glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, skip);
+}
+
 void VertexDeclaration::DrawIndexedElements(MeshPrimitive type, int vbase,
                                             int vskip, int vcount,
                                             int skip, int count)

src/lol-core.vcxproj

@@ -76,6 +76,8 @@
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="3rdparty\imgui\imgui_demo.cpp" />
+    <ClCompile Include="3rdparty\imgui\imgui_draw.cpp" />
     <ClCompile Include="application\application.cpp" />
     <ClCompile Include="audio\audio.cpp" />
     <ClCompile Include="audio\sample.cpp" />
@@ -395,4 +397,4 @@
   <ImportGroup Label="ExtensionTargets">
     <Import Project="$(LolDir)\build\msbuild\lolfx.targets" />
   </ImportGroup>
-</Project>
+</Project>

src/lol/gpu/vertexbuffer.h

@@ -212,7 +212,8 @@ public:
 
     /* Draw elements. See MeshPrimitive for a list of all available
      * types. Both skip and count are numbers of indices, not primitives. */
-    void DrawIndexedElements(MeshPrimitive type, int vbase, int vskip,
+	void DrawIndexedElements_(MeshPrimitive type, int count, const short* skip);
+	void DrawIndexedElements(MeshPrimitive type, int vbase, int vskip,
                              int vcount, int skip, int count);
 
     void Unbind();

src/lolimgui.cpp

@@ -287,13 +287,13 @@ void PrimitiveLolImGui::Render(Scene& scene, PrimitiveSource* primitive)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
 //-------------------------------------------------------------------------
-void LolImGui::RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
+void LolImGui::RenderDrawLists(ImDrawData* draw_data)
 {
-    g_lolimgui->RenderDrawListsMethod(cmd_lists, cmd_lists_count);
+    g_lolimgui->RenderDrawListsMethod(draw_data);
 }
-void LolImGui::RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists_count)
+void LolImGui::RenderDrawListsMethod(ImDrawData* draw_data)
 {
-    if (cmd_lists_count == 0)
+    if (draw_data == nullptr)
         return;
 
     vec2 size = vec2(Video::GetSize());
@@ -307,10 +307,12 @@ void LolImGui::RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists
     if (!m_shader)
     {
         String code;
-        m_builder.Build(code);
+		m_builder.Build(code);
 
-        m_shader = Shader::Create(m_builder.GetName(), code);
+		msg::debug("\nCREATED SHADER:\n%s\n", code.C());
+		m_shader = Shader::Create(m_builder.GetName(), code);
         ASSERT(m_shader);
+		msg::debug("\nPATCHED SHADER:\n%s\n", code.C());
 
         m_ortho.m_uniform = m_shader->GetUniformLocation(m_ortho.m_var);
         m_texture.m_uniform = m_shader->GetUniformLocation(m_texture.m_var);
@@ -336,28 +338,40 @@ void LolImGui::RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists
     rc.SetDepthFunc(DepthFunc::Disabled);
 
     m_shader->Bind();
-    for (int n = 0; n < cmd_lists_count; n++)
+    for (int n = 0; n < draw_data->CmdListsCount; n++)
     {
-        const ImDrawList* cmd_list = cmd_lists[n];
-        const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->vtx_buffer.front();
+        const ImDrawList* cmd_list = draw_data->CmdLists[n];
+        const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->VtxBuffer.front();
 
         //Register uniforms
         m_shader->SetUniform(m_ortho, ortho);
         m_shader->SetUniform(m_texture, m_font->GetTexture()->GetTextureUniform(), 0);
 
-        int vtx_offset = 0;
-        for (size_t cmd_i = 0; cmd_i < cmd_list->commands.size(); cmd_i++)
+		struct Vertex
+		{
+			vec2 pos, tex;
+			u8vec4 color;
+		};
+		
+		VertexBuffer* vbo = new VertexBuffer(cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
+		ImDrawVert *vert = (ImDrawVert *)vbo->Lock(0, 0);
+		memcpy(vert, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
+		vbo->Unlock();
+
+		IndexBuffer *ibo = new IndexBuffer(cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
+		uint16_t *indices = (uint16_t *)ibo->Lock(0, 0);
+		memcpy(vert, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
+		ibo->Unlock();
+
+		m_font->Bind();
+		ibo->Bind();
+		m_vdecl->Bind();
+		m_vdecl->SetStream(vbo, m_attribs[0], m_attribs[1], m_attribs[2]);
+
+		const ImDrawIdx* idx_buffer_offset = 0;
+		for (size_t cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
         {
-            const ImDrawCmd* pcmd = &cmd_list->commands[cmd_i];
-
-            struct Vertex
-            {
-                vec2 pos, tex;
-                u8vec4 color;
-            };
-
-            VertexBuffer* vbo = new VertexBuffer(pcmd->vtx_count * sizeof(Vertex));
-            Vertex *vert = (Vertex *)vbo->Lock(0, 0);
+            const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
 
 #ifdef SHOW_IMGUI_DEBUG
             //-----------------------------------------------------------------
@@ -374,7 +388,7 @@ void LolImGui::RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists
             for (int i = 0; i < 4; ++i)
                 Debug::DrawLine(pos[i], pos[(i + 1) % 4], Color::white);
             ImDrawVert* buf = (ImDrawVert*)(vtx_buffer + vtx_offset);
-            for (uint16_t i = 0; i < pcmd->vtx_count; i += 3)
+            for (uint16_t i = 0; i < pcmd->ElemCount; i += 3)
             {
                 vec2 pos[3];
                 pos[0] = vec2(buf[i + 0].pos.x, buf[i + 0].pos.y);
@@ -393,21 +407,20 @@ void LolImGui::RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists
             //-----------------------------------------------------------------
 #endif //SHOW_IMGUI_DEBUG
 
-            memcpy(vert, vtx_buffer + vtx_offset, pcmd->vtx_count * sizeof(Vertex));
-            vbo->Unlock();
+			m_vdecl->DrawIndexedElements_(MeshPrimitive::Triangles, pcmd->ElemCount, (const short*)idx_buffer_offset);
+			//m_vdecl->DrawIndexedElements(MeshPrimitive::Triangles, 0, 0, 0, 0, pcmd->ElemCount);
+			//m_vdecl->DrawElements(MeshPrimitive::Triangles, (int)idx_buffer_offset, pcmd->ElemCount);
+			idx_buffer_offset += pcmd->ElemCount;
+        }
 
-            m_font->Bind();
-            m_vdecl->Bind();
-            m_vdecl->SetStream(vbo, m_attribs[0], m_attribs[1], m_attribs[2]);
-            m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, pcmd->vtx_count);
-            m_vdecl->Unbind();
-            m_font->Unbind();
+		m_vdecl->Unbind();
+		ibo->Unbind();
+		m_font->Unbind();
 
-            vtx_offset += pcmd->vtx_count * sizeof(Vertex);
+		delete vbo;
+		delete ibo;
+	}
 
-            delete vbo;
-        }
-    }
-    m_shader->Unbind();
+	m_shader->Unbind();
 }
 

src/lolimgui.h

@@ -144,8 +144,8 @@ protected:
     virtual void TickGame(float seconds);
     virtual void TickDraw(float seconds, Scene &scene);
 
-    static void RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count);
-    void RenderDrawListsMethod(ImDrawList** const cmd_lists, int cmd_lists_count);
+    static void RenderDrawLists(ImDrawData* draw_data);
+    void RenderDrawListsMethod(ImDrawData* draw_data);
 
     struct Uniform
     {
@@ -165,8 +165,9 @@ protected:
     Uniform m_ortho;
     Uniform m_texture;
     array<ShaderAttrib> m_attribs;
-    VertexDeclaration* m_vdecl = nullptr;
-    Controller* m_controller = nullptr;
+	VertexDeclaration* m_vdecl = nullptr;
+	IndexBuffer* m_ibuff = nullptr;
+	Controller* m_controller = nullptr;
     InputDevice* m_mouse = nullptr;
     InputDevice* m_keyboard = nullptr;
     InputProfile m_profile;

src/mesh/mesh.cpp

@@ -143,7 +143,7 @@ void SubMesh::Render()
         ShaderUniform u_tex = m_shader->GetUniformLocation(m_textures[i].m1.C());
         m_shader->SetUniform(u_tex, m_textures[i].m2->GetTextureUniform(), i);
     }
-
+	
     m_ibo->Bind();
     m_vdecl->Bind();
     m_vdecl->DrawIndexedElements(MeshPrimitive::Triangles, 0, 0, vertex_count,