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Dependencies:   mbed wave_player 4DGL-uLCD-SE MMA8452

city_landscape.cpp@0:09aa1ecd6c39, 2020-06-24 (annotated)

Committer:
lwills
Date:
Wed Jun 24 21:09:03 2020 +0000
Revision:
0:09aa1ecd6c39
Child:
1:5724f2947554
Missile Command shell

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lwills 0:09aa1ecd6c39 1 //=================================================================
lwills 0:09aa1ecd6c39 2 // The file is for module "city landscape"
lwills 0:09aa1ecd6c39 3 //
lwills 0:09aa1ecd6c39 4 // Copyright 2020 Georgia Tech. All rights reserved.
lwills 0:09aa1ecd6c39 5 // The materials provided by the instructor in this course are for
lwills 0:09aa1ecd6c39 6 // the use of the students currently enrolled in the course.
lwills 0:09aa1ecd6c39 7 // Copyrighted course materials may not be further disseminated.
lwills 0:09aa1ecd6c39 8 // This file must not be made publicly available anywhere.
lwills 0:09aa1ecd6c39 9 //==================================================================
lwills 0:09aa1ecd6c39 10
lwills 0:09aa1ecd6c39 11 #include "city_landscape_private.h"
lwills 0:09aa1ecd6c39 12
lwills 0:09aa1ecd6c39 13 CITY city_record[MAX_NUM_CITY];
lwills 0:09aa1ecd6c39 14 int building_height[NUM_BUILDING];
lwills 0:09aa1ecd6c39 15
lwills 0:09aa1ecd6c39 16 // See the comments in city_landscape_public.h
lwills 0:09aa1ecd6c39 17 void city_landscape_init(int num_city) {
lwills 0:09aa1ecd6c39 18 int i;
lwills 0:09aa1ecd6c39 19 int city_distance = (SIZE_X-CITY_TO_SCREEN_MARGIN*2)/num_city;
lwills 0:09aa1ecd6c39 20
lwills 0:09aa1ecd6c39 21 // All interface for user should have error checking
lwills 0:09aa1ecd6c39 22 ASSERT_P(num_city<=MAX_NUM_CITY,ERROR_CITY_NUMBER);
lwills 0:09aa1ecd6c39 23
lwills 0:09aa1ecd6c39 24 //initialize the record of cities
lwills 0:09aa1ecd6c39 25 for(i=0;i<MAX_NUM_CITY;i++){
lwills 0:09aa1ecd6c39 26 if(i<num_city){
lwills 0:09aa1ecd6c39 27 // See the definition of CITY structure in city_landscape.h
lwills 0:09aa1ecd6c39 28 city_record[i].y = REVERSE_Y(LANDSCAPE_HEIGHT)-1;
lwills 0:09aa1ecd6c39 29 city_record[i].x = i*city_distance + CITY_TO_SCREEN_MARGIN;
lwills 0:09aa1ecd6c39 30 city_record[i].width = CITY_WIDTH; // the width is fix number
lwills 0:09aa1ecd6c39 31 city_record[i].height = MAX_BUILDING_HEIGHT; // the height is fix number
lwills 0:09aa1ecd6c39 32 city_record[i].status = EXIST;
lwills 0:09aa1ecd6c39 33 }
lwills 0:09aa1ecd6c39 34 else{
lwills 0:09aa1ecd6c39 35 city_record[i].status = DEMOLISHED;
lwills 0:09aa1ecd6c39 36 }
lwills 0:09aa1ecd6c39 37 }
lwills 0:09aa1ecd6c39 38
lwills 0:09aa1ecd6c39 39 //initialize the height of the buildings
lwills 0:09aa1ecd6c39 40 for(i=0;i<NUM_BUILDING;i++){
lwills 0:09aa1ecd6c39 41 building_height[i] = (rand() % MAX_BUILDING_HEIGHT*2/3)+MAX_BUILDING_HEIGHT/3;
lwills 0:09aa1ecd6c39 42 }
lwills 0:09aa1ecd6c39 43
lwills 0:09aa1ecd6c39 44 //draw city landscape on the screen
lwills 0:09aa1ecd6c39 45 draw_cities();
lwills 0:09aa1ecd6c39 46 draw_landscape();
lwills 0:09aa1ecd6c39 47
lwills 0:09aa1ecd6c39 48 }
lwills 0:09aa1ecd6c39 49
lwills 0:09aa1ecd6c39 50 CITY city_get_info(int index){
lwills 0:09aa1ecd6c39 51 // All interface for user should have error checking
lwills 0:09aa1ecd6c39 52 ASSERT_P(index<MAX_NUM_CITY,ERROR_CITY_INDEX_GET_INFO);
lwills 0:09aa1ecd6c39 53
lwills 0:09aa1ecd6c39 54 return city_record[index];
lwills 0:09aa1ecd6c39 55 }
lwills 0:09aa1ecd6c39 56
lwills 0:09aa1ecd6c39 57 void city_demolish(int index){
lwills 0:09aa1ecd6c39 58 int j;
lwills 0:09aa1ecd6c39 59 int city_x, city_y, building_x, building_y;
lwills 0:09aa1ecd6c39 60 int height;
lwills 0:09aa1ecd6c39 61
lwills 0:09aa1ecd6c39 62 // error checking. the index must smaller than its max.
lwills 0:09aa1ecd6c39 63 ASSERT_P(index<MAX_NUM_CITY,ERROR_CITY_INDEX_DEMOLISH);
lwills 0:09aa1ecd6c39 64
lwills 0:09aa1ecd6c39 65 // remove the record
lwills 0:09aa1ecd6c39 66 city_record[index].status = DEMOLISHED;
lwills 0:09aa1ecd6c39 67
lwills 0:09aa1ecd6c39 68 // use the background color to cover the city
lwills 0:09aa1ecd6c39 69 city_x = city_record[index].x;
lwills 0:09aa1ecd6c39 70 city_y = city_record[index].y;
lwills 0:09aa1ecd6c39 71 for(j=0;j<NUM_BUILDING;j++){
lwills 0:09aa1ecd6c39 72 building_x = city_x+j*BUILDING_WIDTH;
lwills 0:09aa1ecd6c39 73 building_y = city_y;
lwills 0:09aa1ecd6c39 74 height = building_y-building_height[j]+1;
lwills 0:09aa1ecd6c39 75 uLCD.filled_rectangle(building_x, building_y, building_x+BUILDING_WIDTH-1, height, BACKGROUND_COLOR);
lwills 0:09aa1ecd6c39 76 }
lwills 0:09aa1ecd6c39 77 }
lwills 0:09aa1ecd6c39 78
lwills 0:09aa1ecd6c39 79 void draw_cities(void){
lwills 0:09aa1ecd6c39 80 int i,j;
lwills 0:09aa1ecd6c39 81 int city_x, city_y, building_x, building_y;
lwills 0:09aa1ecd6c39 82 int height;
lwills 0:09aa1ecd6c39 83
lwills 0:09aa1ecd6c39 84 for(i=0;i<MAX_NUM_CITY;i++){
lwills 0:09aa1ecd6c39 85
lwills 0:09aa1ecd6c39 86 // draw each city
lwills 0:09aa1ecd6c39 87 if(city_record[i].status==EXIST){
lwills 0:09aa1ecd6c39 88 city_x = city_record[i].x;
lwills 0:09aa1ecd6c39 89 city_y = city_record[i].y;
lwills 0:09aa1ecd6c39 90
lwills 0:09aa1ecd6c39 91 // draw each building
lwills 0:09aa1ecd6c39 92 for(j=0;j<NUM_BUILDING;j++){
lwills 0:09aa1ecd6c39 93 building_x = city_x+j*BUILDING_WIDTH;
lwills 0:09aa1ecd6c39 94 building_y = city_y;
lwills 0:09aa1ecd6c39 95 height = building_y-building_height[j]+1;
lwills 0:09aa1ecd6c39 96 uLCD.filled_rectangle(building_x, building_y, building_x+BUILDING_WIDTH-1, height, BUILDING_COLOR);
lwills 0:09aa1ecd6c39 97 }
lwills 0:09aa1ecd6c39 98 }
lwills 0:09aa1ecd6c39 99 }
lwills 0:09aa1ecd6c39 100 }
lwills 0:09aa1ecd6c39 101
lwills 0:09aa1ecd6c39 102 void draw_landscape(void){
lwills 0:09aa1ecd6c39 103 uLCD.filled_rectangle(0, SIZE_Y-1, SIZE_X-1, REVERSE_Y(LANDSCAPE_HEIGHT), LANDSCAPE_COLOR);
lwills 0:09aa1ecd6c39 104 }