From f0bbfee11a0418064a142101a952c3043dde7351 Mon Sep 17 00:00:00 2001
From: Nathan Vance <nathav63@gmail.com>
Date: Sat, 28 Feb 2015 23:21:31 -0500
Subject: Started work on ai

---
 ai.c                 |  25 ++++++++++
 ai_weights.c         | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++
 ai_weights_special.c |  40 ++++++++++++++++
 data.c               |  15 +++++-
 science.c            |  14 ++++--
 5 files changed, 216 insertions(+), 4 deletions(-)
 create mode 100644 ai.c
 create mode 100644 ai_weights.c
 create mode 100644 ai_weights_special.c

diff --git a/ai.c b/ai.c
new file mode 100644
index 0000000..74e79f5
--- /dev/null
+++ b/ai.c
@@ -0,0 +1,25 @@
+#include "7w.h"
+
+int data_canafford(int p, int *cost);
+int* data_gethand(int p);
+int data_numcards(int p);
+int data_getera();
+int weight_buildcard(int era, int card, int player);
+int weight_buildwonder(int player);
+int* cards_getproduction(int era, int card);
+
+void ai_turn(int player)
+{
+ int i, temp;
+ int *hand = data_gethand(player);
+ int numcards = data_numpcards(player);
+ int max = 0;
+ int card = 0;
+ for(i = 0; i < numcards; i++) {
+  temp = weight_buildcard(data_getera(), hand[i], player);
+  if(temp > max ) {
+   max = temp;
+   card = hand[i];
+  }
+ }
+}
diff --git a/ai_weights.c b/ai_weights.c
new file mode 100644
index 0000000..e76e9bf
--- /dev/null
+++ b/ai_weights.c
@@ -0,0 +1,126 @@
+#include "7w.h"
+
+int data_getdir(int dir, int p); //0 is east, 1 is west, 2 returns player
+int* cards_getproduction(int era, int card);
+int* cards_getcost(int era, int card);
+int data_canafford(int p, int *cost);
+int* data_getdefinites(int p);
+int** data_getindefinites(int p);
+int* data_gettradables(int p);
+int data_productiontype(int e, int card);
+int data_getwonderstages(int p);
+int* get_special(int era, int card, int player);
+int get_trade(int player, int type, int direction);
+int cards_gettype(int era, int card);
+int* get_science(int player);
+int* get_special(int era, int card, int player);
+int data_potentialvps(int p, int era, int card);
+int military_might(int player);
+
+int weight_science(int era, int card, int player)
+{
+ int weight = 0;
+ int *science = get_science(player);
+ int min = 100;
+ int max = 0;
+ int i, j;
+ for(i = 0; i < 3; i++) {
+  if(science[i] < min)
+   min = science[i];
+  if(science[i] > max)
+   max = science[i];
+ }
+ if(era > 0 && max == 0) return 0;
+ int *prod = cards_getproduction(era, card);
+ for(i = COMPASS; prod[i] == 0; i++);
+ i -= COMPASS;
+ if(science[i] == min) weight = 5;
+ int tots[3];
+ for(i = 0; i < 3; i++) tots[i] = 0;
+ for(i = 0; i < 3; i++) {
+  science = get_science(data_getdir(i, player));
+  for(j = 0; j < 3; j++) {
+   tots[i] != science[j];
+  }
+ }
+ if(tots[2] < tots[0]-1 || tots[2] < tots[1]-1) weight -= 3;
+ return weight;
+}
+
+int weight_military(int era, int card, int player)
+{
+ int weight = 0;
+ int military = cards_getproduction(era, card)[SHIELD];
+ int strength[3];
+ int i;
+ for(i = 0; i < 3; i++)
+  strength[i] = military_might(data_getdir(i, player));
+ for(i = 0; i < 2; i++) {
+  if(strength[i] >= strength[2] && strength[i] < strength[2] + military)
+   weight += (era+2)*2;
+  if(strength[i] == strength[2] + military)
+   weight += (era+1)*2;
+  if(strength[i] < strength[2])
+   weight += 5 / (strength[2]-strength[i]);
+ }
+ return weight;
+}
+
+int weight_resource(int era, int card, int player)
+{
+ int weight = 0;
+ int *prod = cards_getproduction(era, card);
+ int *trade = data_gettradables(player);
+ int i, j;
+ for(i = 0; i < GOLD; i++) {
+  if(prod[i] && !trade[i]) weight += 5;
+  if(prod[i] && (i == STONE || i == ORE) && trade[i] < 2) weight += 2;
+ }
+ for(j = 0; j < 2; j++) {
+  trade = data_gettradables(data_getdir(j, player));
+  for(i = 0; i < GOLD; i++) {
+   if(prod[i] && !trade[i]) weight++;
+   if(prod[i] && trade[i] && get_trade(player, i, j) == 1) weight--;
+  }
+ }
+ return weight;
+}
+
+int weight_tradingpost(int dir, int player);
+int weight_marketplace(int player);
+int weight_gold(int gold, int player);
+
+int weight_commercial(int era, int card, int player)
+{
+ if(era == 0) {
+  if(card == 17) return weight_gold(4, player);
+  if(card == 18) return weight_tradingpost(0, player);
+  if(card == 19) return weight_tradingpost(1, player);
+  if(card == 20) return weight_marketplace(player);
+ }
+ if(era == 1) {
+  if(card == 11 || card == 12) return weight_resource(era, card, player);
+  if(card == 13 || card == 14) return weight_gold(get_special(era, card, player)[1], player);
+ }
+ return 0;
+}
+
+int weight_buildcard(int era, int card, int player)
+{
+ int weight = data_potentialvps(player, era, card);
+ weight -= data_gettotvps(player);
+ if(era == 2) return weight;
+ if(cards_gettype(era, card) == SCIENTIFIC)
+  weight += weight_science(era, card, player);
+ if(cards_gettype(era, card) == MILITARY)
+  weight += weight_military(era, card, player);
+ if(cards_gettype(era, card) == RESOURCE || cards_gettype(era, card) == INDUSTRY)
+  weight += weight_resource(era, card, player);
+ if(cards_gettype(era, card) == COMMERCIAL)
+  weight += weight_commercial(era, card, player);
+}
+
+int weight_buildwonder(int player)
+{
+ return (data_getwonderstages(player)+2) * 2;
+}
diff --git a/ai_weights_special.c b/ai_weights_special.c
new file mode 100644
index 0000000..32c13dd
--- /dev/null
+++ b/ai_weights_special.c
@@ -0,0 +1,40 @@
+#include "7w.h"
+
+int* data_gettradables(int p);
+int data_getdir(int dir, int p);
+int data_getgold(int p);
+
+//dir 0 is east, 1 is west
+int weight_tradingpost(int dir, int player)
+{
+ int weight = 0;
+ int *trade = data_gettradables(data_getdir(dir, player));
+ int *prod = data_gettradables(player);
+ int i;
+ for(i = 0; i < CLOTH; i++) {
+  if(trade[i] && !prod[i]) weight++;
+ }
+ return weight;
+}
+
+int weight_marketplace(int player)
+{
+ int weight = 0;
+ int i, j;
+ int *prod = data_gettradables(player);
+ int *trade;
+ for(i = 0; i < 2; i++) {
+  trade = data_gettradables(data_getdir(i, player));
+  for(j = CLOTH; j <= PAPER; j++) {
+   if(trade[j] && !prod[j]) weight++;
+  }
+ }
+ return weight;
+}
+
+int weight_gold(int gold, int player)
+{
+ return gold - data_getgold(player);
+}
+
+
diff --git a/data.c b/data.c
index 75df70b..2763cb8 100644
--- a/data.c
+++ b/data.c
@@ -128,7 +128,8 @@ int data_getwest(int p)
 int data_getdir(int dir, int p)
 {
  if(dir == 0) return data_geteast(p);
- return data_getwest(p);
+ if(dir == 1) return data_getwest(p);
+ return p;
 }
 
 int* data_gethand(int p)
@@ -411,3 +412,15 @@ int data_gettotvps(int p)
  tot += science(p);
  return tot;
 }
+
+int data_potentialvps(int p, int era, int card)
+{
+ int i;
+ for(i = 0; player[p][era][i] != -1; i++); //get free spot in array
+ player[p][era][i] = card; //build card
+ player[i][3][3] += cards_getproduction(era, card)[GOLD];
+ int vps = data_gettotvps(p);
+ player[p][era][i] = -1;
+ player[i][3][3] -= cards_getproduction(era, card)[GOLD];
+ return vps;
+}
diff --git a/science.c b/science.c
index 89af807..2d0f323 100644
--- a/science.c
+++ b/science.c
@@ -4,13 +4,13 @@ int* data_getbuilt(int p);
 int* cards_getproduction(int era, int card);
 int cards_gettype(int era, int card);
 int data_hasbuilt(int p, int era, int card);
+int* get_intarray(int size);
 
-int calc_science(int player, int guildval)
+int* get_science(int player)
 {
- int science[3];
+ int *science = get_intarray(3);
  int i, j;
  for(i = 0; i < 3; i++) science[i] = 0;
- if(guildval != -1) science[guildval]++;
  int *built = data_getbuilt(player);
  int *prod;
  for(i = 0; built[i] != -1; i += 2) {
@@ -21,6 +21,14 @@ int calc_science(int player, int guildval)
    }
   }
  }
+ return science;
+}
+
+int calc_science(int player, int guildval)
+{
+ int i;
+ int *science = get_science(player);
+ if(guildval != -1) science[guildval]++;
  int min = science[0];
  for(i = 0; i < 3; i++)
   if(science[i] < min) min = science[i];
-- 
cgit