Forgot to add the plugin itself. Also some improvements

plugins/rendermax/renderer_opengl.hpp

@@ -1,4 +1,7 @@
 //original file from https://github.com/Baughn/Dwarf-Fortress--libgraphics-
+#include "tinythread.h"
+#include "fast_mutex.h"
+
 #include "Core.h"
 #include <VTableInterpose.h>
 #include "df/renderer.h"
@@ -165,20 +168,65 @@ public:
 };
 struct renderer_test : public renderer_wrap {
 private:
-    
+    void colorizeTile(int x,int y)
+    {
+        const int tile = x*(df::global::gps->dimy) + y;
+        old_opengl* p=reinterpret_cast<old_opengl*>(parent);
+        float *fg = p->fg + tile * 4 * 6;
+        float *bg = p->bg + tile * 4 * 6;
+        float *tex = p->tex + tile * 2 * 6;
+        float v=opacity[tile];
+        for (int i = 0; i < 6; i++) {
+            *(fg++) *= v;
+            *(fg++) *= v;
+            *(fg++) *= v;
+            *(fg++) = 1;
+
+            *(bg++) *= v;
+            *(bg++) *= v;
+            *(bg++) *= v;
+            *(bg++) = 1;
+        }
+    }
+    void reinitOpacity(int w,int h)
+    {
+        tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
+        opacity.resize(w*h);
+    }
+    void reinitOpacity()
+    {
+        reinitOpacity(df::global::gps->dimy,df::global::gps->dimx);
+    }
 public:
+    tthread::fast_mutex dataMutex;
+    std::vector<float> opacity;
     renderer_test(renderer* parent):renderer_wrap(parent)
     {
+        reinitOpacity();
     }
     virtual void update_tile(int32_t x, int32_t y) { 
         renderer_wrap::update_tile(x,y);
+        tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
+        colorizeTile(x,y);
         //some sort of mutex or sth?
         //and then map read
     };
     virtual void update_all() { 
         renderer_wrap::update_all();
+        tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
+        for (int x = 0; x < df::global::gps->dimx; x++)
+            for (int y = 0; y < df::global::gps->dimy; y++)
+                colorizeTile(x,y);
         //some sort of mutex or sth?
         //and then map read
         //same stuff for all of them i guess...
     };
+    virtual void grid_resize(int32_t w, int32_t h) { 
+        renderer_wrap::grid_resize(w,h);
+        reinitOpacity(w,h);
+    };
+    virtual void resize(int32_t w, int32_t h) {
+        renderer_wrap::resize(w,h);
+        reinitOpacity(w,h);
+    }
 };

plugins/rendermax/rendermax.cpp

@@ -0,0 +1,99 @@
+#include <vector>
+#include <string>
+
+#include "Core.h"
+#include "Console.h"
+#include "Export.h"
+#include "PluginManager.h"
+
+#include <VTableInterpose.h>
+#include "df/renderer.h"
+#include "df/enabler.h"
+
+#include "renderer_opengl.hpp"
+
+using namespace DFHack;
+using std::vector;
+using std::string;
+enum RENDERER_MODE
+{
+    MODE_DEFAULT,MODE_TRIPPY,MODE_TRUECOLOR
+};
+RENDERER_MODE current_mode=MODE_DEFAULT;
+static command_result rendermax(color_ostream &out, vector <string> & parameters);
+
+DFHACK_PLUGIN("rendermax");
+
+
+DFhackCExport command_result plugin_init (color_ostream &out, std::vector <PluginCommand> &commands)
+{
+    commands.push_back(PluginCommand(
+        "rendermax", "switch rendering engine.", rendermax, false,
+        "  rendermax trippy\n"
+        "  rendermax disable\n"
+        ));
+    return CR_OK;
+}
+void removeOld()
+{
+    if(current_mode!=MODE_DEFAULT)
+        delete df::global::enabler->renderer;
+    current_mode=MODE_DEFAULT;
+}
+void installNew(df::renderer* r,RENDERER_MODE newMode)
+{
+    df::global::enabler->renderer=r;
+    current_mode=newMode;
+}
+static command_result rendermax(color_ostream &out, vector <string> & parameters)
+{
+    if(parameters.size()==0)
+        return CR_WRONG_USAGE;
+    string cmd=parameters[0];
+    if(cmd=="trippy")
+    {
+        removeOld();
+        installNew(new renderer_trippy(df::global::enabler->renderer),MODE_TRIPPY);
+        return CR_OK;
+    }
+    else if(cmd=="test")
+    {
+        if(current_mode==MODE_TRUECOLOR && parameters.size()==2)
+        {
+            renderer_test* r=reinterpret_cast<renderer_test*>(df::global::enabler->renderer);
+            tthread::lock_guard<tthread::fast_mutex> guard(r->dataMutex);
+            int h=df::global::gps->dimy;
+            int w=df::global::gps->dimx;
+            int cx=w/2;
+            int cy=h/2;
+            int rad=cx;
+            if(rad>cy)rad=cy;
+            rad/=2;
+            int radsq=rad*rad;
+            for(int i=-rad;i<rad;i++)
+            for(int j=-rad;j<rad;j++)
+            {
+                if((i*i+j*j)<radsq)
+                    r->opacity[(cx+i)*h+(cy+j)]=(radsq-i*i-j*j)/(float)radsq;
+            }
+            return CR_OK;
+        }
+        else
+        {
+            removeOld();
+            installNew(new renderer_test(df::global::enabler->renderer),MODE_TRUECOLOR);
+            return CR_OK;
+        }
+        
+    }
+    else if(cmd=="disable")
+    {
+        if(current_mode==MODE_DEFAULT)
+            out.print("%s\n","Not installed, doing nothing.");
+        else
+            removeOld();
+        
+        return CR_OK;
+    }
+    return CR_WRONG_USAGE;
+}