From 9596af4ac4d0c8dcde83334889f60d6687940b12 Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Mon, 14 Dec 2015 19:36:01 -0800 Subject: Scale mouse data based on window size --- io.c | 8 +++++--- render.h | 2 ++ render_sdl.c | 14 ++++++++++++++ 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/io.c b/io.c index b64da46..260ccb5 100644 --- a/io.c +++ b/io.c @@ -412,9 +412,11 @@ void handle_mouse_moved(int mouse, uint16_t x, uint16_t y) return; } //TODO: relative mode - //TODO: scale based on window size - mice[mouse].motion_port->device.mouse.cur_x = x; - mice[mouse].motion_port->device.mouse.cur_y = y; + float scale_x = 640.0 / ((float)render_width()); + float scale_y = 480.0 / ((float)render_height()); + float scale = scale_x > scale_y ? scale_y : scale_x; + mice[mouse].motion_port->device.mouse.cur_x = x * scale_x; + mice[mouse].motion_port->device.mouse.cur_y = y * scale_y; } int parse_binding_target(char * target, tern_node * padbuttons, tern_node *mousebuttons, int * ui_out, int * padnum_out, int * padbutton_out) diff --git a/render.h b/render.h index b8e28b3..02e8730 100644 --- a/render.h +++ b/render.h @@ -57,6 +57,8 @@ void process_events(); int render_joystick_num_buttons(int joystick); int render_joystick_num_hats(int joystick); int render_num_joysticks(); +int render_width(); +int render_height(); void process_events(); void render_errorbox(char *title, char *message); void render_warnbox(char *title, char *message); diff --git a/render_sdl.c b/render_sdl.c index 9973371..dbd7389 100755 --- a/render_sdl.c +++ b/render_sdl.c @@ -22,6 +22,8 @@ SDL_Texture *main_texture; SDL_Rect main_clip; SDL_GLContext *main_context; +int main_width, main_height; + uint8_t render_dbg = 0; uint8_t debug_pal = 0; uint8_t render_gl = 1; @@ -96,6 +98,16 @@ int render_num_joysticks() return num_joysticks; } +int render_width() +{ + return main_width; +} + +int render_height() +{ + return main_height; +} + uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b) { return 255 << 24 | r << 16 | g << 8 | b; @@ -251,6 +263,8 @@ void render_init(int width, int height, char * title, uint32_t fps, uint8_t full width = mode.w; height = mode.h; } + main_width = width; + main_height = height; render_gl = 0; -- cgit v1.2.3