Merge branch 'master' of https://gitea.sustancia.synology.me/JailDoctor/mini

-[NEW] view() Resets the viewport to all the window.

data/game.lua

@@ -11,7 +11,12 @@ function _update()
 end
 
 function normal_update()
+    view()
+
     cls(20)
+    view(10,10,140,100)
+    cls(3)
+    prnt("HOLA",0,0)
     prnt(text,x,60)
     if btnp(keyRight) then x=x+1 end
     if btnp(keyLeft) then x=x-1 end

lua.cpp

@@ -259,11 +259,15 @@ extern "C" {
     }
 
     static int cpp_clip(lua_State *L) {
-        int x = luaL_checknumber(L, 1);
+        if (lua_gettop(L) == 0) {
-        int y = luaL_checknumber(L, 2);
+            clip();
-        int w = luaL_checknumber(L, 3);
+        } else {
-        int h = luaL_checknumber(L, 4);
+            int x = luaL_checknumber(L, 1);
-        clip(x, y, w, h);
+            int y = luaL_checknumber(L, 2);
+            int w = luaL_checknumber(L, 3);
+            int h = luaL_checknumber(L, 4);
+            clip(x, y, w, h);
+        }
         return 0;
     }
 
@@ -274,6 +278,19 @@ extern "C" {
         return 0;
     }
 
+    static int cpp_view(lua_State *L) {
+        if (lua_gettop(L) == 0) {
+            view();
+        } else {
+            int x = luaL_checknumber(L, 1);
+            int y = luaL_checknumber(L, 2);
+            int w = luaL_checknumber(L, 3);
+            int h = luaL_checknumber(L, 4);
+            view(x, y, w, h);
+        }
+        return 0;
+    }
+
     static int cpp_circ(lua_State *L) {
         int x = luaL_checknumber(L, 1);
         int y = luaL_checknumber(L, 2);
@@ -837,6 +854,7 @@ void push_lua_funcs() {
     lua_pushcfunction(L,cpp_print);     lua_setglobal(L, "prnt");
     lua_pushcfunction(L,cpp_clip);      lua_setglobal(L, "clip");
     lua_pushcfunction(L,cpp_camera);    lua_setglobal(L, "camera");
+    lua_pushcfunction(L,cpp_view);      lua_setglobal(L, "view");
     lua_pushcfunction(L,cpp_circ);      lua_setglobal(L, "circ");
     lua_pushcfunction(L,cpp_circfill);  lua_setglobal(L, "circfill");
     lua_pushcfunction(L,cpp_oval);      lua_setglobal(L, "oval");

mini.cpp

@@ -28,6 +28,9 @@ uint8_t     screen_zoom = 4;
 bool        screen_fullscreen = false;
 bool        screen_cursor = true;
 
+int         windowpos_x = SDL_WINDOWPOS_UNDEFINED;
+int         windowpos_y = SDL_WINDOWPOS_UNDEFINED;
+
 surface_t   surfaces[10];
 surface_t   *screen_surface = &surfaces[0];
 surface_t   *dest_surface = screen_surface;
@@ -60,6 +63,7 @@ bool should_quit = false;
 SDL_Window *mini_win;
 SDL_Renderer *mini_ren;
 SDL_Texture *mini_bak;
+Uint32 windowID;
 Uint32 *pixels;
 int pitch;
 
@@ -200,12 +204,14 @@ void setmap(uint8_t surface) {
 }
 
 void createDisplay() {
-    mini_win = SDL_CreateWindow(window_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, screen_width*screen_zoom, screen_height*screen_zoom, screen_fullscreen?SDL_WINDOW_FULLSCREEN_DESKTOP:SDL_WINDOW_SHOWN);
+    mini_win = SDL_CreateWindow(window_title, windowpos_x, windowpos_y, screen_width*screen_zoom, screen_height*screen_zoom, screen_fullscreen?SDL_WINDOW_FULLSCREEN_DESKTOP:SDL_WINDOW_SHOWN);
+    windowID = SDL_GetWindowID(mini_win);
     mini_ren = SDL_CreateRenderer(mini_win, -1, 0);
     //SDL_CreateWindowAndRenderer(512,512,0,&mini_win,&mini_ren);
     SDL_RenderSetLogicalSize(mini_ren, screen_width, screen_height);
     SDL_ShowCursor(screen_cursor?SDL_ENABLE:SDL_DISABLE);
     mini_bak = SDL_CreateTexture(mini_ren, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, screen_width, screen_height);
+    SDL_GetWindowPosition(mini_win, &windowpos_x, &windowpos_y);
 }
 
 void destroyDisplay() {
@@ -326,6 +332,13 @@ int main(int argc,char*argv[]){
                 if (mini_eve.type == SDL_CONTROLLERBUTTONDOWN) {
                     pad_just_pressed = mini_eve.cbutton.button;
                 }
+                if ( (mini_eve.type == SDL_WINDOWEVENT) &&
+                     (mini_eve.window.windowID == windowID) &&
+                     (mini_eve.window.event == SDL_WINDOWEVENT_MOVED) ) {
+                    windowpos_x = mini_eve.window.data1-4;
+                    windowpos_y = mini_eve.window.data2-36;
+                    //SDL_GetWindowPosition(mini_win, &windowpos_x, &windowpos_y);
+                }
             }
             keys = SDL_GetKeyboardState(NULL);
             mouse_buttons = SDL_GetMouseState(&mouse_x, &mouse_y);
@@ -364,8 +377,19 @@ int main(int argc,char*argv[]){
     return 0;
 }
 
+void simple_pset(int x, int y, uint8_t color) {
+    x -= ds::cam[0]; y -= ds::cam[1];
+    if (x < ds::clip[0] || x >= ds::clip[2] || y < ds::clip[1] || y >= ds::clip[3]) return;
+    DEST(x, y) = color;
+}
+
 void cls(uint8_t color) {
-    SDL_memset(dest_surface->p, color, dest_surface->size);
+    for (int y=ds::clip[1]+ds::cam[1]; y<ds::clip[3]+ds::cam[1];++y) {
+        for (int x=ds::clip[0]+ds::cam[0]; x<ds::clip[2]+ds::cam[0];++x) {
+            simple_pset(x,y,color);
+        }
+    }
+    //SDL_memset(dest_surface->p, color, dest_surface->size);
 }
 
 void color(uint8_t color) {
@@ -442,15 +466,9 @@ void palt(uint8_t col, bool t) {
 }
 */
 
-void simple_pset(int x, int y, uint8_t color) {
-    x -= ds::cam[0]; y -= ds::cam[1];
-    if (x < ds::clp[0] || x > ds::clp[2] || y < ds::clp[1] || y > ds::clp[3]) return;
-    DEST(x, y) = color;
-}
-
 void pset(int x, int y) {
     x -= ds::cam[0]; y -= ds::cam[1];
-    if (x < ds::clp[0] || x > ds::clp[2] || y < ds::clp[1] || y > ds::clp[3]) return;
+    if (x < ds::clip[0] || x >= ds::clip[2] || y < ds::clip[1] || y >= ds::clip[3]) return;
     if (ds::trans != ds::pen_color) DEST(x, y) = ds::pen_color;
 }
 
@@ -473,7 +491,8 @@ void pset(int x, int y, uint8_t color) {
 
 uint8_t pget(int x, int y) {
     x -= ds::cam[0]; y -= ds::cam[1];
-    if (x < 0 || x > (dest_surface->w-1) || y < 0 || y > (dest_surface->h-1)) return 0;
+    //if (x < 0 || x > (dest_surface->w-1) || y < 0 || y > (dest_surface->h-1)) return 0;
+    if (x < ds::clip[0] || x >= ds::clip[2] || y < ds::clip[1] || y >= ds::clip[3]) return 0;
     return DEST(x, y);
 }
 
@@ -629,11 +648,29 @@ void clip(int x, int y, int w, int h) {
     ds::clp[0] = x; ds::clp[1] = y; ds::clp[2] = w-x-1; ds::clp[3] = h-y-1;
 }
 
+void clip() {
+    ds::clip[0] = ds::clip[1] = 0; ds::clip[2] = screen_width; ds::clip[3] = screen_height;
+    ds::clp[0] = ds::clp[1] = 0; ds::clp[2] = screen_width-1; ds::clp[3] = screen_height-1;
+}
+
 void camera(int x, int y) {
     ds::cam[0] = x;
     ds::cam[1] = y;
 }
 
+void view(int x, int y, int w, int h) {
+    ds::cam[0] = -x;
+    ds::cam[1] = -y;
+    ds::clip[0] = x; ds::clip[1] = y; ds::clip[2] = w+x; ds::clip[3] = h+y;
+    ds::clp[0] = x; ds::clp[1] = y; ds::clp[2] = w-1; ds::clp[3] = h-1;
+}
+
+void view() {
+    ds::cam[0] = ds::cam[1] = 0;
+    ds::clip[0] = ds::clip[1] = 0; ds::clip[2] = screen_width; ds::clip[3] = screen_height;
+    ds::clp[0] = ds::clp[1] = 0; ds::clp[2] = screen_width-1; ds::clp[3] = screen_height-1;
+}
+
 void _drawcirc(int xc, int yc, int x, int y) {
     pset(xc+x, yc+y);
     pset(xc-x, yc+y);

mini.h

@@ -166,7 +166,10 @@ void print(const char *str, int x, int y);
 void print(const char *str, int x, int y, uint8_t color);
 
 void clip(int x, int y, int w, int h);
+void clip();
 void camera(int x, int y);
+void view(int x, int y, int w, int h);
+void view();
 
 void circ(int x, int y, uint8_t r = 4);
 void circ(int x, int y, uint8_t r, uint8_t color);