219 lines
5.3 KiB
C
219 lines
5.3 KiB
C
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/*
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* File : tetris_view.c
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2010, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-08-14 Yi.Qiu first version
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*/
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#include <rtthread.h>
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#include <rtgui/rtgui.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/view.h>
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#include <rtgui/dc.h>
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#include "tetris.h"
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static rt_err_t _rt_tetris_view_update(rt_tetris_view_t* thiz, rt_tetris_t* tetris);
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static rt_err_t _rt_tetris_view_update_next_brick(rt_tetris_view_t* thiz, rt_tetris_t* tetris);
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static rt_err_t _rt_tetris_view_update_level(rt_tetris_view_t* thiz, rt_tetris_t* tetris);
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static rt_err_t _rt_tetris_view_update_score_and_lines(rt_tetris_view_t* thiz, rt_tetris_t* tetris);
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rt_tetris_view_t* rt_tetris_view_create(void* private)
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{
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rt_tetris_view_t* thiz;
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RT_ASSERT(private != RT_NULL)
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thiz = (rt_tetris_view_t*)rt_malloc(sizeof(rt_tetris_view_t));
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thiz->width = 96;
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thiz->height = 96;
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thiz->update = _rt_tetris_view_update;
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thiz->update_next_brick = _rt_tetris_view_update_next_brick;
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thiz->update_level = _rt_tetris_view_update_level;
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thiz->update_score_and_lines = _rt_tetris_view_update_score_and_lines;
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thiz->private = private;
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return thiz;
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}
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rt_err_t rt_tetris_view_destroy(rt_tetris_view_t* thiz)
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{
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RT_ASSERT(thiz != RT_NULL);
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rt_free(thiz);
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return RT_EOK;
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}
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static rt_err_t _rt_tetris_view_update_next_brick(rt_tetris_view_t* thiz, rt_tetris_t* tetris)
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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rt_uint32_t width;
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rt_uint32_t ppb, i;
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rtgui_widget_t* widget;
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rt_uint32_t* next_brick;
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RT_ASSERT(thiz != RT_NULL);
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RT_ASSERT(tetris != RT_NULL);
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next_brick = rt_tetris_next_brick(tetris);
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widget = (rtgui_widget_t*)thiz->private;
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width = rt_tetris_width(tetris);
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/* pixel per block */
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ppb = thiz->width / width;
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) return -RT_ERROR;
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rect.x1 = 100;
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rect.x2 = rect.x1 + 4 * ppb;
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rect.y1 = 16;
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rect.y2 = rect.y1 + 2 * ppb;
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RTGUI_WIDGET_BACKGROUND(widget) = 10;
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rtgui_dc_fill_rect(dc, &rect);
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for(i=0; i<4; i++)
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{
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rt_uint32_t y = next_brick[i] / width;
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rt_uint32_t x = next_brick[i] % width;
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rect.x1 = 100 + ppb * (x - 6);
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rect.x2 = rect.x1 + ppb - 1;
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rect.y1 = 16 + ppb * y ;
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rect.y2 = rect.y1 + ppb - 1;
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RTGUI_WIDGET_BACKGROUND(widget) = 3;
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rtgui_dc_fill_rect(dc, &rect);
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}
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rtgui_dc_end_drawing(dc);
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return RT_EOK;
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}
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static rt_err_t _rt_tetris_view_update_level(rt_tetris_view_t* thiz, rt_tetris_t* tetris)
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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rtgui_widget_t* widget;
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char text[4];
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RT_ASSERT(thiz != RT_NULL);
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RT_ASSERT(tetris != RT_NULL);
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widget = (rtgui_widget_t*)thiz->private;
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) return -RT_ERROR;
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rect.x1 = 96;
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rect.y1 = 42;
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rect.x2 = 128;
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rect.y2 = rect.y1 + 10;
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RTGUI_WIDGET_BACKGROUND(widget) = 10;
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rtgui_dc_fill_rect(dc, &rect);
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rt_sprintf(text, "%d", rt_tetris_level(tetris));
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RTGUI_WIDGET_BACKGROUND(widget) = 3;
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rtgui_dc_draw_text(dc, text, &rect);
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/* Redraw panel */
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rtgui_dc_end_drawing(dc);
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return RT_EOK;
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}
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static rt_err_t _rt_tetris_view_update_score_and_lines(rt_tetris_view_t* thiz, rt_tetris_t* tetris)
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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rtgui_widget_t* widget;
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char text[4];
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RT_ASSERT(thiz != RT_NULL);
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RT_ASSERT(tetris != RT_NULL);
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widget = (rtgui_widget_t*)thiz->private;
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) return -RT_ERROR;
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rect.x1 = 96;
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rect.y1 = 64;
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rect.x2 = 128;
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rect.y2 = rect.y1 + 10;
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RTGUI_WIDGET_BACKGROUND(widget) = 10;
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rtgui_dc_fill_rect(dc, &rect);
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rt_sprintf(text, "%d", rt_tetris_lines(tetris));
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RTGUI_WIDGET_BACKGROUND(widget) = 3;
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rtgui_dc_draw_text(dc, text, &rect);
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rect.y1 += 22;
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rect.y2 = rect.y1 + 10;
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RTGUI_WIDGET_BACKGROUND(widget) = 10;
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rtgui_dc_fill_rect(dc, &rect);
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rt_sprintf(text, "%d", rt_tetris_score(tetris));
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RTGUI_WIDGET_BACKGROUND(widget) = 3;
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rtgui_dc_draw_text(dc, text, &rect);
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/* Redraw panel */
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rtgui_dc_end_drawing(dc);
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return RT_EOK;
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}
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static rt_err_t _rt_tetris_view_update(rt_tetris_view_t* thiz, rt_tetris_t* tetris)
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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rt_uint32_t width, height;
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rt_uint32_t j,k, ppb;
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rtgui_widget_t* widget;
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RT_ASSERT(thiz != RT_NULL);
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RT_ASSERT(tetris != RT_NULL);
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widget = (rtgui_widget_t*)thiz->private;
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width = rt_tetris_width(tetris);
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height = rt_tetris_height(tetris);
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ppb = thiz->width / width;
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) return -RT_ERROR;
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/* Redraw panel */
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for(j=0; j<width; j++)
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{
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for(k=1; k<height; k++)
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{
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rect.x1 = ppb * j;
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rect.x2 = ppb * (j + 1) - 1;
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rect.y1 = ppb * (k - 1);
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rect.y2 = ppb * k - 1;
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if(rt_tetris_check_collision(tetris, k * width + j))
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{
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RTGUI_WIDGET_BACKGROUND(widget) = 13;
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}
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else
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{
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RTGUI_WIDGET_BACKGROUND(widget) = 3;
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}
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rtgui_dc_fill_rect(dc, &rect);
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}
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}
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/* Redraw panel */
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rtgui_dc_end_drawing(dc);
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return RT_EOK;
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}
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