From fd315f15828b8537a48530c094ced845edc3a1d3 Mon Sep 17 00:00:00 2001
From: Fox Caminiti <fox@foxcam.net>
Date: Wed, 23 Nov 2022 20:39:55 -0500
Subject: effects reintroduction

---
 effects_constructors.cpp | 107 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 effects_constructors.cpp

(limited to 'effects_constructors.cpp')

diff --git a/effects_constructors.cpp b/effects_constructors.cpp
new file mode 100644
index 0000000..7f7038d
--- /dev/null
+++ b/effects_constructors.cpp
@@ -0,0 +1,107 @@
+static void
+Effect_AddEntry(project_state *State, char *Name, char *ID, void (*func)(real32 *, int, int, int, void *, uint16), const char *GL_Shader, effect_display_type DisplayType = effect_display_type_standard)
+{
+    header_effect *Effect = &State->Effect[State->Playhead_Effect];
+    Effect->Name = Name;
+    Effect->ID = ID;
+    Effect->func = func;
+    Effect->DisplayType = DisplayType;
+    Effect->PropertyStartIndex = State->Playhead_Property;
+    if (GL_Shader) {
+        Effect->GLShaderIndex = Effect_GL_InitShader(GL_Shader);
+        Effect->UseGL = true;
+    }
+}
+
+static void
+Effect_EndEntry(project_state *State)
+{
+    State->Playhead_Effect++;
+}
+
+static void
+Effect_AddProperty_Real(project_state *State, char *Name, real32 DefaultValue, real32 MinVal = -999999, real32 MaxVal = 999999)
+{
+    header_effect *Effect = &State->Effect[State->Playhead_Effect];
+    Effect->Property_Count++;
+    header_property *Property = &State->Property[State->Playhead_Property++];
+    Property->Name = Name;
+    Property->DefaultValue = DefaultValue;
+    Property->MinVal = MinVal;
+    Property->MaxVal = MaxVal;
+}
+
+static void
+Effect_AddProperty_Col(project_state *State, char *Name, v4 DefaultValue)
+{
+    Effect_AddProperty_Real(State, "r", DefaultValue.r, 0, 1);
+    Effect_AddProperty_Real(State, "g", DefaultValue.r, 0, 1);
+    Effect_AddProperty_Real(State, "b", DefaultValue.r, 0, 1);
+    Effect_AddProperty_Real(State, "a", DefaultValue.r, 0, 1);
+}
+
+static void
+Effect_AddProperty_Blendmode(project_state *State, char *Name, blend_mode DefaultValue)
+{
+    header_effect *Effect = &State->Effect[State->Playhead_Effect];
+    Effect->Property_Count++;
+    header_property *Property = &State->Property[State->Playhead_Property++];
+    Property->Name = Name;
+    Property->DefaultValue = DefaultValue;
+    Property->DisplayType = property_display_type_blendmode;
+}
+
+static header_effect*
+Effect_EntryFromID(project_state *State, char *ID)
+{
+    for (int i = 0; i < State->Playhead_Effect; i++) {
+        if (String_Compare(ID, State->Effect[i].ID, 8))
+            return &State->Effect[i];
+    }
+    Assert(0);
+    return &State->Effect[0];
+}
+
+static void
+Effect_InitEntries(project_state *State)
+{
+    /*
+    Effect_AddEntry(State, "Levels", "LVLS", &Effect_Levels, effect_display_type_levels);
+    // Levels
+    // min/max is handled by the UI
+    Effect_AddProperty_Real(State, "All start point", 0.0f);
+    Effect_AddProperty_Real(State, "All mid point", 1.0f);
+    Effect_AddProperty_Real(State, "All end point", 1.0f);
+    Effect_AddProperty_Col(State, "Channel start point", V4(0.0f));
+    Effect_AddProperty_Col(State, "Channel mid point",   V4(1.0f));
+    Effect_AddProperty_Col(State, "Channel end point",   V4(1.0f));
+    Effect_EndEntry(State);
+    */
+    // Curves
+    /*
+    Effect_AddEntry(State, "Curves", "REALCRVS", &NULL, NULL, effect_display_type_curves);
+    Effect_AddProperty_Real(State, "Selected channel", 0.0f);
+    Effect_AddProperty_Real(State, "Number of points (main)", 2.0f);
+    Effect_AddProperty_Col(State, "Number of points (individual)", V4(2.0f));
+    for (int i = 0; i < MAX_CURVESPOINTS*5/2; i++) {
+        v4 PointData = ((i % (MAX_CURVESPOINTS/2)) == 0) ? V4(0, 0, 1, 1) : V4(0);
+        Effect_AddProperty_Col(State, "PointData", PointData);
+    }
+    Effect_EndEntry(State);
+    */
+    // Solid color
+    Effect_AddEntry(State, "Solid color", "REALSCOL", Effect_DrawColor, GLShader_SolidColor);
+    Effect_AddProperty_Col(State, "Color", V4(0.3f, 0.2f, 0.6f, 1.0f));
+    Effect_AddProperty_Blendmode(State, "Blend mode", blend_softlight);
+    Effect_EndEntry(State);
+    /*
+    // Gaussian blur
+    Effect_AddEntry(State, "Gaussian blur", "REALGBLR", &Effect_GaussianBlur, GLShader_GaussianBlur);
+    Effect_AddProperty_Real(State, "Radius", 1.0f, 0.0f, 200.0f);
+    Effect_EndEntry(State);
+    // Test gradient
+    Effect_AddEntry(State, "Test gradient", "REALTGRD", &Effect_TestGradient, NULL);
+    Effect_AddProperty_Col(State, "Color", V4(0.3f, 0.2f, 0.6f, 1.0f));
+    Effect_EndEntry(State);
+    */
+}
-- 
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